Mechanics

MISFIRES AND ACCLERATION WHILE IDLE

Dodge Intrepid

I have a 2000 Dodge Intrepid and while Idle, it misfires and accelerates up and down. When driving, it misfires every 2 to 3 seconds. I took it to AutoZone and the computer put out Code P0300 - Cylinder Misfire detected - Random Cylinders.

I replaced all the spark plugs and 2 of the coils. It still does the same thing. It said that they were Cylinder 1 and 4 which I assumed are the two bottom cylinders if standing infron of the vehicle. What else could it be? Someone told me it might be the computer. Any hlep would be great!
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Jefe40472
May 19, 2007.




It sounds like you have a vacuum leak. Spray some intake cleaner around the perimeter of the intake and see if the idle flucuates at all. Check for any other source of a vacuum leak should nothing turn up on the intake manifold.
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Servicewriter is right about the vacuum leak and may I add to it Bad gas. P0300 is like the globe trotters bouncing around the court and onone knows where the ball is. This code is a hard one to deal with.

Try checking the EGR system


http://www.2carpros.com/forum/automotive_pictures/12900_12900_muah1_5_6.gif


Rasmataz
May 20, 2007.

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