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1990 Honda Civic Engine Lopes, sorta.

Tiny
QUICKSTER
  • MEMBER
  • 1990 HONDA CIVIC
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
The engine lopes bad sometimes when its idling, usually only after its warmed up. It doesn't do it when I drive. There is also a noise that it makes when I'm going uphill (kinda like a faint grinding sorta noise, its not loud though), especially if I let it lug and stay in a lower gear. When I park and get out of the car I usually smell gas a little bit as well. I don't know if any of this is related but any ideas on where I should start?
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Friday, October 16th, 2009 AT 4:14 AM

2 Replies

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
The idle problem is probably your fast idle thermo valve. If not, I would then check your IACV and for vacuum leaks. But my money is on the FITV (fast idle thermo valve)
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Friday, October 16th, 2009 AT 3:47 PM
Tiny
QUICKSTER
  • MEMBER
  • 13 POSTS
Thanks for the reply. I reset my timing and it seems to be running a bit better, like the engine ping is gone. I adjusted my idle as well so its a little bit quieter. I will clean that valve you spoke of thats underneath my throttlebody and see if that helps as well. Thanks again.
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Tuesday, October 20th, 2009 AT 10:32 PM

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