P0171 Air/Fuel Mixtue Lean Bank 1

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Checked for Intake air leaks - None Replaced front heated oxygen sensor Cleaned fuel injectors Checked for Exhaust gas leaks - none Checked fuel pressure - good Cleaned Mass Air Flow (MAF) sensor Checked Positive Crankcase Ventilation (PCV) hose connection - no leaks I am at a loss for what to do next. Any advice would be greatly appreciated.

Mikey707 in Vallejo CA

Sep 17, 2015

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What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Toyota Celica. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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P0171 Air/Fuel Mixtue Lean Bank 1

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Mikey707 in Vallejo CA

Sep 17, 2015

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stevieray1on Sep 17, 2015

what did you clean the MAF with,and did you let it dry very well before you put it back in?

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Toyota Celica. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.