my vans check engine light is and it throwing out p0171 code ive already cleaned the mass air flow sensor, what else could it be?
Nov 20, 2012 at 5:18 PM
1997 Ford Aerostar Vans Check Engine Light Throwing Out P0171 Code Ive Already
DANNYRIDER
- MEMBER
- 2 POSTS
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cleaning the mass air flow does nothing
could be low fuel pressure, vacuum leak, pcv or bad mass air flow
Roy
could be low fuel pressure, vacuum leak, pcv or bad mass air flow
Roy
Nov 20, 2012 at 7:50 PM
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