Long fuel trim
10-31-2017, 08:15 AM
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Long fuel trim
2014 A6 2.0 tfsi 47,000 miles
I’m running thru some codes in order to have my APR tune run without misfires. My long fuel trim idles at 12.5 and at 2500 rpm it drops quickly to 5.0. Does this mean that I have a vacuum leak?
I’m running thru some codes in order to have my APR tune run without misfires. My long fuel trim idles at 12.5 and at 2500 rpm it drops quickly to 5.0. Does this mean that I have a vacuum leak?
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