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05 Sebring Not Running Right Rate Topic: -----

#1 Guest_patcal_*

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Posted 13 January 2009 - 09:47 AM

If you were a registered user, you would not be seeing this!

Let me say before I start I am picky, anal-retentive about how my cars run. OK, My 05 Sebring 2.7L with 47K. Lately it is doing something very odd. I will be driving along maybe lightly accelerating when it will feel like it is cutting out a bit. Not a lot. Not even enough to see on the tach. It just seems like a pause or sputter. Also I have notices a couple of times in the last couple of weeks, when at idle the idle will be OK them it will just get rougher for a second then clear up. These two issues seem to be related as far as about the time they both started. I have no codes, (i have a scanner) or smoke or any other symptoms that would assist my diagnosis. Am I just having a OCD attack? I have not done anything to this car except oil changes, brakes and front tires(pothole). Any thoughts? Thanks.
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#2 User is offline   chuzz 

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Posted 13 January 2009 - 09:53 AM

Maybe a dirty fuel injector? Even though you don't have a lot of miles on the car, maybe a plug is a little dirty. I'd try a bottle of fuel injector cleaner or a can of Seafoam in the gas tank.
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#3 User is offline   ImperialCrown 

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Posted 14 January 2009 - 03:28 AM

There is a TSB # 18-040-04 for stumbles, surging, roughness and idle fluctuation on cars built before Nov 3, 2004 (see the build label on your driver's door for the build date). This is a PCM/TCM flash reprogramming that may make a vast improvement in the way it runs. Reprogramming may be covered by the 8/80 PCM warranty.
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#4 Guest_patcal_*

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Posted 14 January 2009 - 09:23 AM

Thanks for the suggestions. I will check out that PCM TSB.

Pat
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