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John G.
John G., Honda Technician
Category: Honda
Satisfied Customers: 2652
Experience:  Dealership tech since 1982. ASE and Honda Master Technician.
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I have a 1999 Honda CR-v that has an idle problem. It bottoms

Resolved Question:

I have a 1999 Honda CR-v that has an idle problem. It bottoms out and stalls everytime I come to a stop or slow down with the clutch in. It goes down to about 1000 then drops out very quickly. Is this a problem with the IACV. It is not throwing any codes.
Submitted: 7 years ago.
Category: Honda
Customer: replied 7 years ago.

1999 Honda CRV 4Cyl

Already Tried:
I have had a tune up, had the fuel injector cleaned. New fuel filter.
Expert:  John G. replied 7 years ago.

It could be a sticking iacv or just a bad base idle setting the throttle bodies tend to gum up with contaminants. Remove the idle bleed screw and clean out the hole and the end of the screw.

Then screw it back in and adjust it. You need a scan tool to set the iac command.

It can be ball parked , somewhere between 1 1/2 and 3 turns out from screwed in all the way.

then it needs to be idled for 15 min. after its warmed up to allow the pcm idle learn to happen.

It should be ok then , but if not, the iavc may need to be replaced.

also check the valve adjustment

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