running rich w/ high idle,when under load idle is normal

1990 TOYOTA 4RUNNER
280 MILES
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MICHAEL E ROBERSON
  • MEMBER
  • 5 POSTS
changed pressure regulator removed catalytic converter, haven't changed plugs wires or rotor cap and button because no misfire any sggestions?
Nov 22, 2011 at 11:08 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
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
Nov 22, 2011 at 11:11 AM
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