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This is hussain I have 2004 Corolla, there.

Tiny
ANONYMOUS
  • MEMBER
  • 2004 TOYOTA COROLLA
  • 300,000 MILES
Hi this is hussain I have 2004 corolla, there engine sign. When mec check it give the code p0171.I already change intake gaskit plugs. But still engine sign is there. Pls give me the suggestion thanks
Saturday, February 23rd, 2013 AT 1:12 AM

1 Reply

Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
You need to check fuel pressure, vacum leaks, exhaust leaks( especialy near an 02 sensor) and the o2 sensors. There are many things that can cause this code.I would suggest that you take it to a shop and have them perform a smoke test on the vehicle.
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Saturday, February 23rd, 2013 AT 2:13 AM

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