Thread: code P0171 and P0174
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Old 05-17-2014, 04:26 PM
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onehundred80
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Default Re: code P0171 and P0174
Originally Posted by orbit398
Having issues with engine running bad, mostly at idle or just starting to accelerate. Coughs and shutters sometimes. Replaced mass air flow sensor but still doing it at random. Have put 500 miles on car running it hard in arkansas but still not fixed. What else can be the issue? EGR valve? Help appreciated.
It is actually Lean Bank 1 and Bank 2, not band.
Put the codes in the Google Search used on this forum and the answers appear as if by magic.
 
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