Strange problem with XJR
#1
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I will appreciate any help or advise guys! I just bought 2004 XJR. Every time I put gas in the car CEL comes up with P0171 code. After I clear the code, car drives fine for 4-5 days until next stop at the gas station. Checked for leaks, cleaned MAF sensor. Gas cap seems OK. What is it???!!!
#2
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09-25-2015 11:09 AM
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