p10171 code 97 toyota 4runner
1277 Views 3 Replies Latest reply: 2020-09-11 02:27:20
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Level 1
(5) points
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Level 10
(7578) points
Typically power train codes are limited to only 4 digits back in 1997 -
Level 9
(5837) points
This might help..........https://www.samarins.com/diagnose/p0171.html -
Level 2
(27) points
Common causes include:
- Vacuum leaks
- Clogged or faulty Mass Air Flow sensor (MAF)
- Faulty PCV valve or other parts of PCV system
- Stuck open purge valve/solenoid
- Faulty oxygen sensor
- Improperly installed aftermarket intake
- Low fuel pressureIn my Tacoma I just cleaned the mass air flow sensor
1
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