Question about 2001 Volkswagen Passat
I just bought a 2001 vw passat which had check engine and emission lights on. I took it to firestone service center. they said the third cylinder was misfiring and changed the starter plug. After I checked out from there the car starts to **** while driving. I took the car the next day and they suggested I have to change the cam position tensioner. I was about to take the car to another mechanic as the price they qouted was too high. Now the car doesnot start. I was thinking if I flush out the engine it might work. I want to know the right place to fix it as I dont trust the firestone service center anymore. I am from estes park area
SOURCE: misfire in cylinder 3
NO to the MAF Sensor Question, and Spark Plug Wires Or BOOT Will Cause Missfire. As For Mass Air Flow Sensor Easy Check is to Dissconnect it While Engine is Running And If ENGINE SMOOTHES OUT The Sensor is Bad
Posted on Jul 30, 2009
Hi, the MIL (engine check light) will only go out when the car has had 50 drive cycles - start, run to normal operating temperature and stop, without further faults. A normal EOBD code reader such as you used to check for the fault originally should also be able to cancel the fault and put the light out. If the code won't clear, suspect a faulty ignition coil. Which is a common fault on these vehicles.
Hope that helps Matt...
Posted on Nov 23, 2009
"Check engine light" EMISSIONS WORKSHOP! Do you want to shut it off???
After reading all of the negative comments and how much money Passat owners have spent due to this manufacturer's problem, I am going to save the day and save you $$$ by showing you how to "reset" the diagnostic computer which makes the "emissions workshop-check engine light come on! (This is the same thing the VW dealer will charge you hundreds of dollars to do.) To turn off the "Check Engine" (Emissions Workshop) light, simply follow these 5 basic steps:
1. Pop open the hood.
2. Insert the key in the ignition and turn without starting the engine until all of the dash indicators light and warning tones sound.
3. With the key still in the ignition, use a 10mm wrench or socket to loosen and completely disconnect the negative (-) battery cable from the battery. Wait about 60 seconds before reconnecting.
4. Re-connect and tighten the negative (-) cable to the battery and close the hood.
5. Start the engine. THE "CHECK ENGINE" LIGHT HAS GONE OUT!
If the light stays on, then there really is a problem. If it has turned off, be glad, but don't be surprised to see it come on again in a few weeks. If it comes on again, simply follow steps 1-5. Remember... This quick repair is for those who just can't stand looking at this light or afford to visit VW every time this light comes on. If you feel the need to service the vehicle, service the vehicle. I hope this has made your "NIGHTMARE" a little easier!!!
Posted on Dec 28, 2009
Sounds like it could be a mass airflow sensor failure. Take your car do your reputable mechanic and have them scan your computer to find out what the error code is, and then go from there. If it says that the mass airflow sensor is offline, I would look to make sure that the connector is properly secured on the air intake hose.
Posted on Apr 28, 2010
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