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1993 Toyota Corolla lambda reading

Tiny
ONEVOD
  • MEMBER
  • 1993 TOYOTA COROLLA
Engine Performance problem
1993 Toyota Corolla 4 cyl Front Wheel Drive Manual

my lambda fast idle test and secind fast idle test is.02 over the 1.07 pass reading for emissions.
what do I do to rectify this.
Friday, July 4th, 2008 AT 2:37 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi onevod,

The engine is runnig rich so you need to check spark plugs, air filter, throttle body, MAP and IAC.

If these does not help, then you need to check the fuel regulator and/or injectors.
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Tuesday, July 8th, 2008 AT 1:45 PM

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