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Old 11-03-2006, 12:34 AM   #1
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Default 1997 Cirrus

I am trying to help a buddy with his V6 Chrysler Cirrus that has a rough engine problem. He'* had it into the mechanics (several different dealerships) over the last year, and none of them seem to be able to fix the problem. he has spent over $2,000 in trying to repair the car, but nothing has worked so far. I don't know exactly what he has done, but I know that the ignition module, spark plugs, wires, fuel filter, fuel pump, and computer have been replaced and the problem is still there. Here'* some facts about the problem:

1. It only happens when the engine is warm. (driven atleast 8 miles)
2. The harder the car is driven, the more quickllyy it will start to run rough.
3. The engine runs rough when the check engine light is OFF.
4. The engine runs smooth when the check engine light is ON.
5. When the check engine light is on, and the engine is hot, the light is flashing.
6. When I use my scantool to scan the car for codes, nothing shows up.

My thoughts on the problem is a bad sensor of some kind. If the check engine light is on, and the car runs BETTER, I think that maybe the car is running under a default timing of some kind so the car runs better? When the light turns off, that means that the PCM is using the car'* sensors to maintain the vehicle and if an important sensor is giving false readings, couldn't that mess up timing, or fuel/spark? I'm really not sure..
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Old 11-03-2006, 12:56 AM   #2
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I can't help your friend with his problem, but tell him to go to www.ASEClub.net.
That'* the Avenger/Sebring Enthusiasts' Club. My brother MOPAR Man is a member over there, they should be able to figure it out.
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Old 11-03-2006, 04:06 PM   #3
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Or you can try here...I used to belong whn I had my 95 Cirrus
http://stratusphere.net/forums/index.php?act=home
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Old 11-03-2006, 04:09 PM   #4
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Not sure if a flashing check engine light is OBD2 standard. But on ours..it means a possible catalyst damaging event. Such as bad misfire etc.

Having codes would really be the key on this one.. or at least a start.
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