NGS tester code p0171
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NGS tester code p0171
I have a 1999 ford f350 6.8 liter that I have been getting the p0171 code on. I have a ngs scan tool and when I look at pid's and the fuel trims and mass air flow sensor, I get a correct reading for the voltage but then I get a n/a on it and sometimes on some other areas that I have picked to look at has anyone else had this problem ? I know my NGS is working with no issues.
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Joined: Dec 2001
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From: Louisville,Ky.
The most common issue's for the P0171 are a vacuum leak (usually the PCV hose elbows), dirty MAF, or an exhaust leak at the manifold.
I don't know if the N/A means that it is too far out of range or something else is going on.
I don't know if the N/A means that it is too far out of range or something else is going on.
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