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1995 Toyota Camry almost full rich fuel feed

Tiny
DON COLEC
  • MEMBER
  • 1995 TOYOTA CAMRY
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
I PERFORMED A VALVE JOB AFTER AN OVERHEAT CAUSED A HEAD GASKET LEAK. EVERYTHING WENT WELL, CAMS LINEUP, ALL IS WELL EXCEPT RICH FUEL SUPPLY ON START AND AFTER WARMED-UP. SO RICH IT WILL BARLY IDLE AND OF COURS FOULS PLUGS. WILL RUN AT HIGH SPEED BUT NOT LOWER SPEEDS. ALL GROUNDS ARE GOOD, THE READOUT IS 52 KNOCK SENSOR. HOWEVER 4 CYLS. DON'T HAVE KNOCK SENSOR. NO OTHER CODES PRESENT EXCEPT OBVIOUS OVER FUELING RELATED EMISSION WARNINGS. OBD-1 SYSTEM. SPARK IS STRONG, COMPRESSION IS GOOD, FUEL IS FRESH TPS IS WITHIN LIMITS, O2 SENSORS OK JUST DIRTY FROM EXCESS FUEL. CAN'T FIGURE IT OUT.
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Sunday, May 11th, 2008 AT 9:36 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Thank you for the donation.

Check that the cold start injector is not leaking. Do a fuel rail pressure test to show any main injector leaks. Make sure that the ignition timing is set with the ECU in check mode & the valve timing is set correctly. Start here,

Mark (mhpautos)
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Monday, May 12th, 2008 AT 12:19 AM

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