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Chrysler Sebring gas problem
02-14-2012, 09:37 PM (This post was last modified: 02-14-2012 09:42 PM by littlecait05.)
Post: #1
Chrysler Sebring gas problem
Chrysler Sebring 2004. Bought in Pennsylvania. About 60,000 miles on it. The problem happens most often when I am on a highway traveling for more than a half an hour. It seems as though there isn't enough gas getting to the engine because sometimes when I try to accelerate, it won't go over 40 mph & it shakes. If I release the pedal and then punch the gas again the problem usually goes away for a few minutes but then happens again. The engine light comes on sporadically & when they plug the computer in to the car at the shop, it doesn't tell us much. I've already gotten 2 oxygen sensors replaced as well as the engine gasket, fuel lines and what the mechanic called 'other sensors.' Does anyone know what else it might be and what I can do to fix this problem. Thanks
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02-14-2012, 10:31 PM
Post: #2
RE: Chrysler Sebring gas problem
More information would help us to give better advice.
What engine is in it? What are the code NUMBERS that come up when plugged into the computer? Does the exhaust smell like rotten eggs when it is acting up?

Please get back to us.

Thanks for using the forum,
Garner

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02-16-2012, 12:39 PM (This post was last modified: 02-16-2012 12:42 PM by littlecait05.)
Post: #3
RE: Chrysler Sebring gas problem
(02-14-2012 10:31 PM)Garner Wrote:  More information would help us to give better advice.
What engine is in it? What are the code NUMBERS that come up when plugged into the computer? Does the exhaust smell like rotten eggs when it is acting up?

Please get back to us.


Thanks for the quick response!
The code numbers that come up are: PO171- says lean condition. It is a 2.7 liter engine. And he recently changed the oxygen sensors and PCV valve and the fuel pressure is okay.
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02-16-2012, 06:18 PM
Post: #4
RE: Chrysler Sebring gas problem
The O2 sensor was doing it’s job in detecting the problem which is likely the MAF (Mass Air Flow) sensor or a vacuum leak. A shop can check for vacuum leaks with a “Smoke” machine that pumps smoke into the intake. If you see smoke exiting, you found the leak. Here's some good information about that code.

P0171 Information

Did you check the fuel pressure with a gauge? Any other way is invalid & fuel pressure could still be an issue. It only takes a few pounds off normal to cause problems.

At any rate, don't let them change any more O2 sensors. It’s working. It would be like changing the gas gauge when it got to “Empty.” That won’t fix the problem. You put gas in the tank. In your case, find out why it is running lean.

I hope that helps. Please let us know what you find.

Thanks for using the forum,
Garner

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