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Idle speed HC 855, high speed HC 905 would like to know how to get back to normal

Tiny
RONININLV
  • MEMBER
  • 1988 FORD BRONCO
  • 98,000 MILES
Put new plugs in, replaced the the old plug wires and distrib. Head
Wednesday, September 7th, 2011 AT 9:50 PM

2 Replies

Tiny
RONININLV
  • MEMBER
  • 2 POSTS
Would the oxygen sensor have anything to do with the problem?
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Wednesday, September 7th, 2011 AT 10:04 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
It sounds like you are getting too much fuel. Check O2 sensors, check catalytic converter, check fuel pump pressure (and regulator).
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Thursday, September 8th, 2011 AT 2:33 PM

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