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2000 Honda Civic Civic si 2000 stalls out once RPMs drop a

Tiny
TYPERHUNTER
  • MEMBER
  • 2000 HONDA CIVIC
  • 4 CYL
  • 2WD
  • MANUAL
  • 80,000 MILES
I have a honda civic si 2000. The car starts fine I drive it on the freeway once I reach my destination and I get off the exit and I stop giving it gas and I press the clutch to down shift to start going again the Rpms just drop and the car stalls out on me. I turn the key and it starts right up without any issues. They do tend to drop very low and come back up once I get off the gas and press the clutch
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Monday, September 21st, 2009 AT 1:42 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi typerhunter,

Thank you for the donation.

Symptoms indicates a fault with the idling system and it mostly is caused by a dirty throttle body and Idle Air control valve.

Get them cleaned and if problem persists, get the valve clearance adjusted. If you are into DIY, get a can of carb cleaner and a piece of rag. Remove the air intake hose and spray some carb cleaner into the throttle body. Let it soak for a while and use the rag to scrub the internals of the throttle body, keepinig rag soaked with carb cleaner.

Starting might be difficult due to the presence of carb cleaner flooding the cylinders.
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Tuesday, September 22nd, 2009 AT 12:02 AM
Tiny
TYPERHUNTER
  • MEMBER
  • 11 POSTS
Once I spray the carb. Cleaner in my intake manifold how much is to much. Do I spray alittle or get alot in there? And is there a possiblity I can harm something is there is too much carb cleaner?
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Tuesday, September 22nd, 2009 AT 8:07 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Too much would cause flooding and difficult starting. Sufficient to soak but not enough to get the fluid flooding. Too much might cause detonation during start up and cause backfiring.

What I normally do is spray a little, use the rag to scrub and wait a few minutes and start engine.

Repeat the process a few times and this would prevent flooding.
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Tuesday, September 22nd, 2009 AT 9:16 AM

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