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23/03/2022 9:14 am
Topic starter
178k miles PO171 trouble code
freeze frame was at about 2k rpm with a very high long fuel trim (30) and about (5) for the short.
Current live data at idle.
Short ft -10
long ft 5
what should I check? Vacuum leak?
3 Answers
2
23/03/2022 1:16 pm
See link below for things to check: start simple with cleaning the MAF (Mass air flow sensor) as it could be dirty.
https://www.obd-codes.com/p0171
Scotty performs some of the items in videos below (in case you are not familiar with how to perform them):
https://m.youtube.com/c/ScottyKilmermechanic/search?query=P0171
1
23/03/2022 10:13 pm
Please search the forum.
This is one of the top posted trouble codes.
https://www.obd-codes.com/p0171
