how do I solve P0171 on my 2003 toyota camry?

Question

My engine light came on, diagnostic shows P0171 system leak on my 2003 toyota camry. Where is the problem and how to fix it.

Answer 1

You need to try to find out where the leak is. Intake leaks can happen in many parts of the engine. Fixing intake leaks depend where the leaks is. Also, keep in mind that if no leaks are present, the the problem could be a fauly O2 sensor or Mass Air Flow (MAF) sensor.

P0171 Toyota - Air/Fuel Mixture System Lean Bank 1

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