Turn the key to the ign position but do not turn the engine on, all warning lights on the dash board will light up. No check engine light no way to start the car. '95 2500 4wd auto. Won't start. The Injectors are not spraying which tells me it could be the computer box. Mar 27, 2011 · Oddometer: 15. Dec 27, 2023 · Below are the common causes of a lack of a check engine light with no key in the ‘on’ position: 1. If the light is functioning it will be on briefly and then it will turn off when all the rest of the systems check out. Turn the key on. If it does, then the system is working. 5L I5, 3. 5 Apr 27, 2004 · Car usually won't spark/fuel w/o the check engine light on the ACC position, means there is a problem somewhere in the ignition system. ok4450 December 5, 2010, 12:22am 5. Lomez , Jan 13, 2012. Nov 26, 2020 · Possible causes for the check engine light not working other than a concern with the cluster bulb or wiring. Jan 11, 2016 · 1. Car is hard to start. Check engine light always came on before with key turned on. P0650 stands for “Malfunction Indicator Light (MIL) Control Circuit,” which points to an issue with your vehicle’s MIL. Now the safety of it i am not to sure. I'd be more suspicious of a loss of power to the ECU. Make sure the air intake snorkel is clean as well. Dec 27, 2019 · C12 engine. connect the black lead to the terminal marked "W". So I check the noted pin out for the check engine light, it comes on 12V with the key on and doesn't go off, so maybe the Check lamp is out. No tach response when cranking or will running on starting fluid. Jul 5, 2008 · 20 posts · Joined 2006. The gas cap is what seals the fuel system and keeps pressurized air and vapors from escaping. That can be a concern with a faulty PCM/ECM or it is not getting all the powers and grounds it needs with the key in the run position. The failure to start happened at the same time the Wait to Start light quit coming on. Apr 20, 2018 · The crankshaft position sensor is sometimes referred to as an engine speed sensor. 73 Gear Ratio, G80 Locker. It looks like a long, black plug and is located near the crankshaft. Turn on the ignition without starting the engine. Turn the ignition to the ON position, but do not crank or start the engine. On the fourth time, start the engine and let it run for 30-35 seconds. "I'll take "incoherent forum posts" for $500, Alex". If the vehicle is ready for emissions testing the light will come on when the ignition is first turned on Sep 19, 2014 · If the check engine light does not illuminate in the run position then the powertrain control module (PCM) is not coming on line. Steps to diagnose: The process that goes on from the moment you put the key into the ignition to the point where the engine is running involves a few steps. Jul 22, 2003 · Sep 22, 2008. Nov 2, 2022 · Check engine light flashing when you turn the key in the ON position is perfectly normal and nothing to be worried about. As a result the Fuel Pump and Coil have no ground when ignition is turned to start. Nov 29, 2022 · The computer notices the fault with the sensor's signal and activates the Check Engine Light to notify you of the problem. However, when a problem with the APP sensor exists, the vehicle's ability to consistently accelerate or decelerate as directed by the driver is reduced. Check engine light does not come on,even with the key just turned on. I changed out the fuel rail like I needed to and everything hooked up the way it's supposed to. Certain problems, like sporadic misfires or sensor irregularities, may trigger the flashing light briefly but not consistently enough to generate DTCs. Dec 2, 2015 · What the Check Engine Light Does. Engine response is inconsistent. Do this a total of 4 times. 1. 9 G56 Megacab Laramie. CEL and Oil will always be on when the key is on and the engine is not running. Aug 18, 2009 · Get a Volt meter. Issues I am aware of using DIS include an internal failure of the IKE, KBUS communication problem (not sure if this is due to the fact that the original In 1994 you can add a jumper on the OBD1 port (in engine bay) and the CEL (check engine light) will flash the 3 digit codes when you turn on the key, if there are any. 1. Most likely the ignition switch or a loose/broken wire or connection. The light coming on is usually a “bulb check” performed by your car computer to confirm that the CEL is working fine and will alert you Jan 17, 2009 · Jan 17, 2009. 2 negatives ok. Important: While the learn procedure is in progress, release the throttle immediately when the engine starts to decelerate. 231,345 Miles; Original Owner. I buyed this aswell i think ill have it in 1 week at the max. Yep take it to a dealership, have them flash the PCM and BCM to the latest releases and do a CASE learn. Now shut off the engine and check the warning light. Jun 18, 2022 · Just as a fail-safe we also replaced all the plugs and wires. The PCM makes the Feb 16, 2023 · Some of these are: An Electrical Issue. Turn the key one step further in the ignition switch. -Random engine shut off typically at idle (would start back up after re-cranking) -Code P0335 still there. Replaced computer and chected all fuses, no change. Turns over great. Jul 6, 2023 · See also: Mack Truck Warning Lights On Dash. Nov 2, 2022 · The most common reasons why the check engine light fails to come on include a burned-out CEL bulb, fuse, and a dead vehicle computer. One of the first symptoms of an issue with the ignition trigger is problems starting the engine. It also has a time switch on the ground side which keeps it from continuing to fire when the engine is cranked for an extended period. Aug 6, 2021 · Summary. #2. Mar 3, 2010 · 1994 XLT. If anyone can please give me some ideas to try. I have a 1994 explorer XLT and sometimes after I stop somewhere and come back it won't start. Your light may be out since the car isn Apr 7, 2024 · My E46 320i from 1999, has led me to an extreme headache. Read below: Check Engine light is not coming ON. No engine check light usually means one of the engine ECU power supplies is missing, so the first thing to do is replace the ECU fuse on the engine fusebox and fuse 12 on the dashboard fusebox. No check engine light when the key is turned to the on position. Put the key in the ignition switch and turn it one step forward. 2 6 l with less miles. This issue is similar to the situation where the check engine light is flashing when the key is in the “on” position. Dec 4, 2010 · The light should come on when you turn the key to “ON,” and it should go out after the engine starts. Mar 30, 2024 · 1. These conditions vary from mild battery power transmission issues to the important engine and car computer components damage. Drop in Fuel Efficiency. . Oct 31, 2012 · But my car is making same sounds/light if i put ecu in or not its like ecu doesnt even matter. ECM checked out with simple light tester on 2 positive and 1 ignition pins. When you press down on the gas pedal, your engine should respond directly and instantly. Mar 7, 2014 · To check if your vehicle’s OBD system is ready, you must do the following: 1. If the gas cap isn’t the culprit, then an OBD code reader (or scanner) needs to Mar 26, 2023 · 3) Check Engine Light. I find the purge valve would be easier for me. The Check Engine Light is also known Jul 7, 2022 · Jul 7, 2022. Mar 19, 2007 · Posted March 24, 2007. 2 6cyl, when cold will not start, if I leave the key in the on position long enough the check engine light comes on and then it will start. If it isn't somebody might have removed the bulb in order to pass inspection or to sell it without devulging it's problems. See if that makes the check check light comeback on. Make sure all related fuses are good too, no fried fusible links either. I'll keep turning the key to the on position and only the battery light comes on, no Jan 15, 2009 · The main reason being that there is “NO” “Check Engine” light with the key on engine off. Both ecu's give the same problem the old and new 1. May 26, 2021 · Here’s how you can reset the check engine light on your Toyota Rav4. It was it pretty good shape minus the clear coat, air bag light, dead radio, and a check engine light for a cam shaft sensor. Mechanic's Assistant: Does the light stay on, or does it blink? Check engine light doesn’t come on at all and the fans run in on position. 2005 GMC Canyon Z71 4WD SLE Extended Cab. connect the red lead to the terminal marked "B+". Feb 17, 2014 · NO check engine light it says service emissions system when the key is on but not when car running i am not interested in throwing money at this car napa's code reader says there is no code but will a dealership or a mechanic have better results? i dont know i am getting 15 mpg right now i used to get 18. Common issues that could trigger the code include burnt-out MIL bulbs, circuit problems, a malfunctioning PCM, or a failing instrument cluster. If there is any issue with the ignition trigger or reluctor wheel it may compromise the signal to the computer. If it then. Dec 2, 2020 · E53 wont’ start, check engine light flashes. The check engine light is a regular bulb, and like any other bulb, it can burn out. You can crank it all you want and no joy. For example, you might be dealing with fouled-out spark plugs, a faulty oxygen sensor or a vacuum leak. #1. I did check the fuel pressure and it's great. November 6, 2010. Check the gas cap first and cinch it to ensure it is tight. Feb 17, 2023 · When an engine misfires, one or more of the cylinders doesn’t produce the power it should. 39 posts · Joined 2012. as the title says, my engine light does not illuminate when I turn the key to "ignition on" position, but it sure does illuminate when I do the cluster test. 5. That will reset all codes at the same time. If it is loose, the Check Engine light should go off after the engine has been started several times. It looks almost like a light duty hardware store crimp on connector. A broken or loose gas cap is one of the most common reasons why your check engine light would be flashing when your key is in the on position. Some peeps have had problems with the May 28, 2020 · The Check Engine light can be triggered by something as simple as not fully tightening the gas cap. After all the years these are prone to capacitor failures. The malfunction indicator lamp will. I researched that the cluster is a single unit and the light is LED surface mounted on the CKT Nissan Mechanic: Billy. You need to check all the related fuses first. It’s best to have a professional mechanic to complete a check engine light inspection. Donal. Apr 12, 2023 · Diagnose and clear your check engine light! GET FIXD 67% OFF. Of course, several other issues like transmission failure codes or faulty oxygen sensors can trigger the Check Engine Light, but you cannot overrule crankshaft position sensor issues. A bad crank position sensor on my 92 sc400 allowed the car to start and if you kept your foot on the accelerator and applied gas it would run. You didnt specify year or engine or any other pertinent information, so any replies are going to be guesses. 4 X5 which has numerous issues despite receiving much love on my behalf. Loose or Damaged Gas Cap. If you need further assistance with your check engine light not working, then seek Aug 1, 2012 · The red BRAKE warning light is used to indicate a low fluid level condition or parking brake applied condition. You should be able to see the check engine light on when you put the key in. Wait for 10–15 seconds. I’ve only had the car for a short time and have never noticed a check engine light. Check your throttle body and make sure it is nice and clean and free. If it does not, then check the computer for codes for the sensor you unplugged. Jun 21, 2023 · Noticed that the check engine and the EPC light didn’t come on with the key on. Jan 24, 2021 · There’s one coming out of a harness shared with the fuel filter connections that grounds the ECM. #21 · Mar 19, 2009. fuel. But still the same just crank and no start. Jun 5, 2006 · When you turn the key on, the regular lights come on including Check Engine, sometimes Water in Fuel, and the ABS all seem Ok. Intermittent Issues. Of course, start with the basics. No communication with the scanner. Normally, the service engine soon light will stay on until the engine is cranked, then turn itself off if no malfunctions are present. 6. Bill. All dash lights except headlight/highbeam and the door ajar indicators should go out when the key is shut off. note the 94 Camry fuel pump only runs when cranking or running - it doesn't pump up and build pressure then stop (when 1st turning on key) - so you can't hear it run when just hitting the key. Aug 9, 2017 · Aug 9, 2017. Please consider creating a new thread. Jan 12, 2012 · 1989 Jeep YJ 4. From my VW backgroud, if the check engine light is not on when the ignition is on (unless the bulb is burnt or missing), there's no power to the ECM, for sure you won't get far! Guess this doesnt apply to GM engine management systems. 1994 b250 ram van 3. Feb 28, 2015 · 10 flashes with the key in the run position means the truck needs to be replaced!!! This is what the owners manual of my 2006 says: This light is part of the on board diagnostic system which monitors the emissions and engine control system. 4. May 21, 2009 · sk7. 2. The light should glow in this position. If it’s not tightened properly, or if it’s damaged, those vapors can escape. I have a 2006 4. Open the diagnosis plug cover in the engine bay. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling. #9. MikeBike. so, reading posts, i figured the ecu was the most likely culprit and replaced it. Check for crappy security systems or kill switches as suggested. But still no spark. Turn the key back to the off position and then quickly back to the ign position again with out starting the car. If it NEVER comes on I’d suspect the bulb. TravMan63. A CEL that has been tampered with will also fail to come when you start your car. 0 that will crank but not start. Feb 27, 2023 · No change to the vehicle starting or able to check codes. The car wouldn’t idle without stalling. When it does its job, it ensures the required RPM value for the appropriate transmission gear. The same power feed in the cluster powers up the seatbelt, light, ABS and a couple others. If not, then the fault may be that the engine control relay isn't Sep 30, 2019 · Failed the test due to no check engine light being on visually when car is in ON position along with air intake being cracked and lower position 02 sensor at the bottom of the car has a nut spacer. Some of the conditions that cause this kind of behavior include loose fuel caps, faulty catalytic Jun 18, 2015 · My Classifieds: 0. come on for 20 seconds. engine would start and run, but would die out after about 5-10min and the check engine light would go through the self check as if the ecu had been reset. it makes the amber lights on all for corners blink at the same time to warn other drivers there is a hazard, or problem, up ahead or near you. The main reason being that there is NO Check Engine light with the key on engine off. As a replacement you can use just about any PCM of that era Jeep with matching Jul 27, 2017 · 3324 posts · Joined 2015. Loose Fuel Cap. 3. Trying to repair car to pass smog in California. #2 · Nov 28, 2015. Dec 11, 2011 · SO with all the connector in, key on, the ECM had 12V. If that doesn't do it replace the sensor, common auto parts item. Release the throttle immediately if the value is exceeded. All the wiring is hooked up and the engine cranks, but doesnt start and I have no check May 27, 2011 · First PCM-. It doesn’t tell you what the problem is; a technician will have to perform a diagnostic scan to check the affected system. If you’re experiencing transmission problems but no check engine light, it could be due to low transmission fluid levels, a faulty shift solenoid, or a worn-out clutch. A/C/heater blower works, radio works, power windows work. replaced the fuel pump relay, did same thing, here is where we are at. Sep 19, 2023 · The check engine light may flash to signal this issue, as it can damage the catalytic converter and other engine components over time. This practice is illegal . This is often the first ever symptom of a bad TPS. Jun 5, 2022 · Sometimes the check engine light illuminates when the key is in the ON position to reveal some underlying conditions. There are more than one 12 volt source/signal to the PCM, there are 4 of them. Dec 17, 2017 · No secondary high voltageIgnition & pickup coils in distributor pass resistance tests as well as Crankshaft Position Sensor Was going to see if I could pull any diagnostic OBD codes when I noticed there was no check engine light when key in on position Nor when TE1 & E1 are jumpered Jan 21, 2016 · Hello and welcome to the forum. I can keep it running (crappily) by holding the rpm's at 1500. I would ignore the theft indicator for now until the PCM issue is resolved. Nov 11, 2010 · The light bulb for CEL has a power feed with 12 volts runing to it with key on all the times. Simply remove the purge valve closest to the front of the car. Gap should be about a business card width, clean connector. Sensor Malfunction Nov 22, 2011 · Turn the Ignition Key to on, turn it back off in quick sucession; Repeate the above step 2 more times (total 3) On the forth, leave the ignition switch key on ON; Now the Engine Indicator light will start flashing. '95 3500 5 speed heavy hauler. An electrical problem can result from corrosion, rust, or rodents which may lead to faulty electrical wiring. This is actually one of the most common reasons why a check engine light is triggered. Also tried ignition switch, crank sensor. If you run across a 2008 Toyota Tundra (3UR-FE) and have a no start, no ECM communication condition and there is no "Check Engine Light" bulb illuminated during the function check, disconnect the secondary air valves. Oct 7, 2014 · Get in the car, put the key in the ignition, then turn it to the run position without starting it. Tried changing ecu and fuel pump relay but no luck. Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component. that's just your bike initializing and indicating that your gauge cluster is functioning. An incorrect trigger signal to the computer will throw off the entire engine management system, which may lead Jun 9, 2014 · nope. If your check engine light is on while your bike is running then you have "problems". Jan 19, 2018 · "The service engine soon indicator light illuminates when the ignition is first turned to the on position to check the bulb and to indicate whether the vehicle is ready for Inspection/Maintenance (I/M) testing. The engine should not accelerate beyond the calibrated fuel cut-off RPM value noted in step 3. The PCM needs power and ground to boot up so the first thing to check is power since it is switched and not constant and more likely to be Oct 22, 2010 · There is a way to retrieve the code without a code reader. If it fails to glow, go to the Symptom Chart. To check this light, insert the key in the ignition switch (11572) and turn it to the START position. In most cases its repairable. The engine turns over like ordinary, the tachometer shows indication of turning over and the fuel pump can be heard when the key is on. spark. 1: Burned-out bulb. 111 = no codes, system OK. I will get you the related wiring diagram. In a petrol engine there is no need to preheat the cylinders like you have in Nov 28, 2015 · 1426 posts · Joined 2015. If you see a check engine light after getting gas, the likely culprit is a loose or faulty gas cap. Like. Nov 18, 2013 · T. Thanks: BUNNY Dodge Dakota JOIN HERE 9/27/2003 14:31:17: RE: check engine light IP: Logged Message Recently bought a 2003 325i. As we explained in the above guide, your car computer is always running tests on the engine and if it discovers that the problem that caused the light to come on is no longer available, it will just turn off the light. This is assuming the CEL bulb works, in normal use it should come on with key on and then go out after startup, or after system test. The red light on the dash turns on solid, and the on board diagnostics test does not work at all. It happens all the time, especially with all the modern, computerized car models. The Check Engine Light has one purpose: to tell you when you have a problem. Bad ECM Bad Wheel Sensor, Mass Air Flow sensor, sticking throttle body. Feb 11, 2024 · I replaced it with a 2004 trailblazer 4. If your light does not illuminate, it is either burnt out or someone has removed it. Having no check engine light with key at RUN position is an indication that the PCM is not getting the power signals/sources it needs. Feb 26, 2009 · 103 posts · Joined 2009. Insert your ignition key into the ignition switch. the spark plugs are firing and it do starts and run when gas in sprayed into the intake. #11 · Jul 29, 2017. If it is a 91 or newer, and no start and no check engine light, that's indicative of a bad ECU. (this is the check engine light "on") Connect terminals TE and E1. But now I have a no crank no start and I also have no check engine light when I turn my key to the accessory position. #1 · Jul 5, 2008. If it is off, the reset was successful. These have a tendency to short the 5 volt reference line and stop all ECM communication. We would like to show you a description here but the site won’t allow us. To determine if the check engine light is working, you can turn the key onto the run position, there is no need to start the vehicle and this will illuminate the whole gauge cluster showing the functioning lights. I have a 96 grand cherokee 4. The engine will turn over like normal but no fuel pump sound and also no check engine light. These issues are typically less serious than what would trigger the check engine light, but they can still lead to big problems Sep 19, 2023 · 1. I believe there is a fuse on that circuit through the under-hood fuse box, but you said you checked the fuses. generally, hazard lamps are the four way blinkers. Aug 26, 2008 · M. Will crank and start on starting fluid but won't keep running. It only indicates that something isn’t working properly. Since you said the other lights work, then a PINK/Light Green wire runs directly from the PCM ( computer) to the light bulb in the cluster. Do you see a check engine light? Next, start the engine and look for the light. It also showed P0135 ( 02 sensor heater circuit malfunction-Bank 1) P0340 (Camshaft Position Sensor Circuit Malfunction) P0500 (Vehicle Speed Sensor Malfunction). Dec 29, 2021 · If all fuses and fuse links are ok and you ur check engine light does not illuminate after turning the key on and the fuel pump does not prime. Push the Odometer button and hold it for ten seconds. Many of these are then switched off when the starter motor is engaged, just to reduce the load on the battery, as the starter motor is the largest current draw in your entire car, but once the engine is running and the key is released it moves back to the on position. Repeat steps 1–3 two more times. Hello Vinny, If the check engine light doesn't illuminate at all when you turn ignition on, then either the engine control unit is faulty, or it's missing a power or a ground. The only readings coming off the self diagnostic was 12 and 55, so nothing abnormal. Jun 11, 2019 · Unfortunately it can be several possible causes. 8 posts · Joined 2008. you should now be reading battery voltage. May 14, 2015 · To check if they are set, turn the. Turn the ignition key to the “off” position. Dec 17, 2020 · No crank, no start, no check engine light on dash when key in on position! Also ecm fuse(35) keep blowing. 9l. If you crank or start the engine, you will have to start this test over. Very frustrating, since it does not illuminate with faults either. this truck currently has more problems Jan 19, 2016 · Listed below are a few of these warning signs. I have NO Check Engine Light when the Ignition Key is turned on in a 1989 22RE Pickup I bought the truck with a carburated 22r and just swapped it to a 22RE because the truck is supposed to be fuel injected. Location: British Columbia. This is an older thread, you may not receive a response, and could be reviving an old thread. It also showed P0135 ( 02 sensor heater circuit malfunction-Bank 1) P0340 (Camshaft Position Sensor Circuit Malfunction) P0500 (Vehicle Speed Sensor Malfunction) . Hey everyone first post and first problem. You might see the check engine light if your gas cap is loose or damaged. If the bulb is burned out, the check engine light will not come on, even if there is a problem with the vehicle. Modern vehicles require a tight cap to prevent harmful fuel vapors from Nov 24, 2005 · The check engine light is not coming on for the 3 seconds that it shopuld and neither the fuel pump nor any other relay appears to be getting energized. It’s a reminder of how even minor issues can affect your vehicle’s performance. Aug 13, 2006 · w1kk3d said: You know how when you turn the key to 'ON' and all the lights come on/go off as usual well, my Check Engine light doesn't come on AT ALL during this time (or at all). #3 · Jan 25, 2014. Jan 24, 2023 · If when you turn the ignition ON, the Check Engine light does not come ON, it could be that there is no power to the PCM. This will allow the mechanic to attempt to access the ECU with the scanner. With key in run position i get no fuel gauge, volt gauge, and no check engine light. Once again gentlemen I humbly request your assistance. If your vehicle has an electrical issue, such as a failing electrical component or a faulty transmission control module, shifting problems can arise without the check engine light illuminating. Mitsubishi 3000gt GTO DSM Stealth EVO Obdi Datalogger | eBay. I always check that light to make sure it comes on when the key is in the on position. #3. Stock for one day. Hopefully it’s the bulb. A misfire can be caused by numerous problems, many of which can also lead to a flashing Check Engine Light. That’s all. A mechanic found it via a code but I don’t know what that code was. #4. 2006 2500 5. G. If it blinks five times, the readiness. If its not there, the Previous owner disabled it to trick you. Apr 11, 2018 · 2009 - 2014 Ford F150 - No check engine light WHY ? - I unplugged the VCT SELONOIDS and still no engine light. When I turn the key to the 'On' position, I get a click on the passenger side under the dash, maybe a relay. Most CELs ground through the ECM so if the first suspect bulb is good then there could be an ECM fault. the button on top of your steering columb is the switch for them. Luckily, check engine repair is a cheap fix and can be done by a decent mechanic. Ordered an OEM sensor from FCPEuro and threw it on and now the lights gone. #7 · Nov 19, 2013. it should be a simple clamp and its right on top of the motor. Ive only had the car for a short time and have never noticed a check engine light. Jan 24, 2014 · 979 posts · Joined 2012. what can I safely unplug to through an erasible code to make sure the light will illuminate, With the key in the on position / engine not running the light comes on. Check the ECU-IG fuse and the fusible links. While the key is in the on position I hear a … read more Nov 2, 2022 · A check engine light can disappear on its own if the problem causing it to illuminate has been corrected. If you wait with the key in the on position for 30 seconds or so the check engine will come on and the fuel pump and other relays engized and the car Feb 6, 2018 · 5. Changed both fuel filters. Here's my guess and if I recall correctly, if its older than 1991, it doesn't have a check engine light, 91 and newer does. No, the cold start injector is simply an extra injector that lets fuel into the intake while the starter is cranking the engine. 5 SE Jun 10, 2024 · How To Fix Flashing Check Engine Light While Key Is in on Position? To fix a flashing check engine light while the key is in the ON position, you can try performing a trouble code scan, checking the car’s ignition coils and spark plugs, examining the fuel pressure, examining the engine sensors, or seeking professional assistance. Mechanic's Assistant: What is the model/year of your Nissan? 06 Maxima 3. I had this same issue and it was a ground going from drivers battery to ECM. If there is a code, and the MIL indicator says ON, then the light is burned out. Fuel pump doesn’t come on with the door open or the key on. Sounds like there's a problem with your ignition switch and it is not shutting off fully to the off position. #4 · Nov 13, 2008. Common symptoms of P0650 include the MIL not activating when it Feb 11, 2024 · The check engine light is wired directly from the IPC to the PCM. A bad wheel sensor would probably generate a Check Engine Light code though. No check engine light when the key is in the on position. A 20 amp mini fuse under the hood blows as soon as i turn key to on position. Press and hold the Trip or Odometer button present on the dashboard. Press reply if you need to Jun 16, 2012 · Coby7 said: With all doors closed if you strap your seatbelt and turn the key to on position , without starting engine, the check engine light should be on. codes are not set. It is possible that the ECU is damaged; however, it could be a simple problem like a damaged fuse, damaged electrical relay or problems with the dashboard itself. The following are key signs that this sensor is no longer doing its job. no start condition = no fuel, no spark. Check for Voltage on both side of the ECI fuse. Loose Gas Cap. The PCM doesnt have any way of communicating with a code reader (look up where a fuse could be for this data link could be as simple as a fuse or a bad ground) 7. Nov 16, 2014 · Accelerate to wide open throttle (WOT). Feb 27, 2010 · The problem is likely the engine speed sensor, it's wiring, gap or connector at the lower engine pulley. ignition switch to the ON (II) position, without starting the engine. when key is in the on position and check engine light comes on the van starts right away, but when key is in on position with no check engine light it cranks but wont start no fuel pump noise and no relay click. Going for a drive the stabilitrak/traction control/check engine light all come on with symptoms: -Rough shifting going from 1st to 2nd gear. its most likely your PCM. Lights and cooling fan come on, even though the light switch is in the 'Off' position. Thank you for seeking us for help, I hope I provided what was needed. This practice is illegal. Jan 25, 2012 · The check engine light doesn't light up when the key is turned to the "on" or "start" position. Pulled the connectors on the Air, Crank, sensors, no check engine light. I can start the car, but it will die within a second or two. Mar 18, 2017 · Try removing a sensor harness and see if the light comes on. goes off, the readiness codes are set. and i know it automatically throws code once moved. Five short flashes, followed by a pause and then five short flashes, followed by pause and then five short flashes. Recently I had a problem with the engine starting and remaining running, and repeated attempts to get it running distroyed the starter (actually broke an ear off the mounting brackets), so it ended up getting towed to the shop. vz xu ce kj pv ad wa gl ym uc