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Chrysler Repair/lebaron gas hog

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QUESTION: Hi roland,
I have a 95 lebaron with 45000 original miles. ( grandmas car ) now for the problem, the car has had a full tune up including 02 sensor . the fuel economy is so poor I cant imagine how she could afford to put gas in it. also, while sitting at an idle the fumes are very strong. if i did the code read correctly , it reads  12535     

Thanks for any help that you can offer.   Jim

ANSWER: Hi Jim
Try the code readout once more, there is another pause in there as there has to be an even number of counts. The last two counts are always 5 in each, 55 means 'end of readout'. Tell me which engine you have (L).
Roland

---------- FOLLOW-UP ----------

QUESTION: Hi Roland , its a 3.0  and the code is 125355
thanks again , jim

Answer
The 12 code means the battery was recently disconnected (within last 50 starts) while the 53 code means there is a failure inside the powertrain control module (which suggests a need to replace it!). See if you can locate the source of the fumes. Also look over the pcm to see if any damage/loose plug or wires is present. It is located on the upper edge of the left side inner fender and has a 60-pin plug.
Any other history that you know of?
Roland  

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Roland Finston

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Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question, briefly unavailable, or asleep overnight, so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top Expert" 2010-2015, here at AllExperts, and have answered 20,000+ questions.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars.

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Advanced degrees in Physics/bruised knuckles

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014 and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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