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1993 Honda Civic IDLE PROBLEM

Tiny
LILLINDA68
  • MEMBER
  • 1993 HONDA CIVIC
Engine problem
1993 Honda Civic Engine Size unknown Wheel Drive Type unknown Manual 130000 miles

MY SON HAS A 93 HONDA CIVIC 5 SPEED. WHEN IN IDLE THE CAR REVS BY ITSELF. I WAS TOLD IT WAS THE IDLE AIR CONTROL VALVE SINCE THIS CAR DOES NOT HAVE A TPS.
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Friday, February 1st, 2008 AT 11:14 AM

2 Replies

Tiny
MURO78
  • MEMBER
  • 4 POSTS
I have a 1995 civic doing exactlyl the same thing. I repalced the I/AC motor, and it made no difference at all, and it cost me $150.00 to boot. I would start looking somewhere else. If you find the problem let me know.
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Saturday, February 9th, 2008 AT 9:32 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs!
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Sunday, February 10th, 2008 AT 8:38 AM

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