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Old 04-03-2012, 05:26 PM
Searles Lewis Searles Lewis is offline
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Smile Re: Help diagnosing P0171/P0174 codes please

Quote:
Originally Posted by dhollow2 View Post
The PCV valve and hose are both in good shape. I hadn't thought about an exhaust leak, although that seems unlikely since both banks are lean. I'm not sure about the isolator bolts now either. The picture of the bolts on the Rockauto site are green with black on the top part which would be visible when installed. I'll have to pull one and see if it's green or black.
Then you might as well replace them all. They supposedly shatter when taken out! At least they are weak.
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