RUNNING RICH W/ HIGH IDLE,WHEN UNDER LOAD IDLE IS NORMAL

1990 Toyota 4Runner

Tiny

michael e roberson

November, 22, 2011 AT 7:08 PM

Changed pressure regulator removed catalytic converter, haven't changed plugs wires or rotor cap and button because no misfire any sggestions?

1 Answer

Tiny

ASEMaster6371

November, 22, 2011 AT 7:11 PM

Put the cat back. Did you check the mass air flow sensor? Common for running rich. Other things like air filter, leaking injector and high fuel pressure are common items to check.

Roy

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