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Stalls at idle

Tiny
BIGBIRD519
  • MEMBER
  • 1991 HONDA CIVIC
  • 4 CYL
  • 2WD
  • MANUAL
  • 195,000 MILES
Hi, I have a 91' honda civic si hatchback. It has just recently started having issues idling during cold starts. I turn the key and the engine turns on, then the rpms drop off and it stalls. I have to start it up 5 or 6 times, and each time it start it, I have to hold the gas pedal down a little bit to keep it from stalling for a few seconds. When I do this, the check engine light comes on eventually. After the check engine light comes on, I turn it off and start it again and then it works. Once it has warmed up, there aren't any problems. I have no idea what the problem is.
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Friday, April 24th, 2009 AT 6:10 PM

3 Replies

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
You must retrieve the code to properly diagnose this. It may be IACV or FITV related, but find out what the code is first.

The ECU LED flashes a code number at you, let me know what you find
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Saturday, April 25th, 2009 AT 7:13 AM
Tiny
BIGBIRD519
  • MEMBER
  • 2 POSTS
I figured out what the problem was. The error code indicated that their was a prob with the IACV. I pulled it off, and it was completely blocked. I cleaned it and the FITV because it was pretty dirty too. Now it works fine.
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Tuesday, April 28th, 2009 AT 1:08 PM
Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
Excellent. Glad you solved it.
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Tuesday, April 28th, 2009 AT 6:18 PM

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