I just bought a 1999 Camry......check engine light came on......code is 0171.....runs to lean......the car runs great but can't pass smog with light on.....other then replacing the injectors any ideas?

Asked by Johnsdad44 Mar 12, 2019 at 08:30 PM about the 1999 Toyota Camry LE

Question type: Maintenance & Repair

2 Answers

13,590

Possible causes: Intake air leaks, Faulty front heated oxygen sensor, Ignition misfiring, Faulty fuel injectors, Exhaust gas leaks, Incorrect fuel pressure, Lack of fuel, Faulty Mass Air Flow (MAF) sensor ,Incorrect Positive Crankcase Ventilation (PCV) hose connection Read more: https://www.autocodes.com/p0171_toyota.html

According to Toyota it doesn't have a MAF sensor...….no vacuum leaks...…...has fuel...….injectors cost 1/2 as much as car cost...…….very frustrating

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