After the engine warms up (seems like the idle.

Tiny
ANONYMOUS
  • MEMBER
  • 1993 HONDA ACCORD
  • 166,000 MILES
After the engine warms up (seems like the idle is kind of high when warming up) then the engine will run high to low and continue to do that. How do I figure out which sensor it is
Saturday, February 2nd, 2013 AT 7:52 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
It sounds like either a vacuum leak or the idle air control valve. Check for both.
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Saturday, February 2nd, 2013 AT 10:33 PM
Tiny
CRISTLEKUTCH
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  • 1 POST
I have replaced all vacuum hoses but not the idle air control valve. I will try that next thank you
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Friday, February 8th, 2013 AT 10:11 PM

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