MY CHECK ENGINE LIGHT CAME ON AND OFF FOR 2 ...

2004 Jeep Grand Cherokee

Tiny

timkilian

October, 22, 2012 AT 1:41 AM

My check engine light came on and off for 2 weeks one min it would drive fine the next it acted up well finally the light stated flashing it was idleing werid and it smelled like gas really bad had lots of white smoke comming out the tailpipe and also gas its horrible on gas miliage right now and hesataes when we drive like it wants to die but never has but we took it to auto zone and it gave me these codes p0202 and p0203

FOUND 25377 RELATED QUESTIONS

Cj Stalling When Idling

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Stalling Out

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3 Answers

Tiny

ASEMaster6371

October, 22, 2012 AT 1:42 AM

Codes are for coils 2 and 3. I suggest starting with a tune up of replacing plugs and all coils.

Roy

Tiny

timkilian

October, 22, 2012 AT 2:16 AM

The second one was replaced in march of last year. Could it in any way be the throttle position sensor

Tiny

timkilian

October, 22, 2012 AT 2:31 AM

And wat exactly are the coils?

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