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Re: P0171/P0174
Posted to Technical Discussion Forum on 5/7/2013 24 Replies

Hello Shannon!

My initial thought with your freeze frame data is to check it for a vacuum leak. Very positive fuel trim numbers with a low RPM, = vacuum leak 9 times out of ten

Now looking at your test drive, I have NEVER seen a 24,000+ grams per second re... Login to read more.

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