Question about 2005 Chrysler PT Cruiser

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Engine light on

PT Cruiser engine light is on. Codes are saying that engine is misfiring. Mechanics still looking for cause after 3 days.

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  • amycarolc Oct 04, 2009

    They are ordering a new computer for the car. They say that the computer is causing the misfiring. Can that be true? The car is also using more gas than usual for the same number of miles. Can the computer also cause increase fuel usage? I am concerned that their only goal is to get the Check engine light off.

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They are still looking for a cause because it isnt misfiring right now or because they cant find the cause of the stored misfire codes ?
If it is misfiring right now and they cant figure it out then perhaps you should find new mechanics !
I have seen a lot of bad coils on the PT.
Misfire is usually caused by spark plug wires first, spark plugs 2nd, and coil third.
If it isnt misfiring now, spray down the wires with water. If it misfires after that replace the spark plug wires and spark plugs and try again.
If it still misfires then the problem will likely be the coil.



Posted on Oct 03, 2009

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Lots could be the cause plugs, wires,coils,injection system need code to specify

Posted on Oct 03, 2009

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