my engine check light went on so i check it with OBD2 and P0171 came out. if anyone knows anything about this error message, please leave a comment
- posted
17 years ago
SONATA 2000, 2.4 dohc, engine check light is on..
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- posted
17 years ago
P0171 System too Lean - Bank 1.
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- posted
17 years ago
Check for vacuum or intake leaks, especially around the PCV hose and the intake bellows. If you have none, the problem is likely with your air flow sensor.