1999 Toyota Sienna Does Diagnostic Codes P0171 Mean
1999 TOYOTA SIENNA
138,000 MILES
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1 POST
What does diagnostic codes P0171 1999 toyota sienna mean?
Nov 2, 2012 at 1:14 AM
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ASEMASTER6371
✓ASE Certified Mechanic
52,796 POSTS
lean code.
could be mass air flow sensor, vacuum leak, pcv valve or low fuel pressure
Roy
Nov 2, 2012 at 1:16 AM
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