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D15b7 Idle Problem That I Cant Figure Out

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Old 10-21-2010, 04:45 PM
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Default D15b7 Idle Problem That I Cant Figure Out

Hi i have a 1995 Honda Del Sol S Automatic and im having a difficult time figuring out whats causing the idle to jump up and down. The idle only jumps like that when the engine is cold but when its warmed up it idles just fine. I already replaced the IACV, TPS, and MAP sensor but its still doing the same thing... any ideas anyone?
Old 10-21-2010, 04:48 PM
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Default Re: Idle Problem That I Cant Figure Out

What engine? If you have an FITV, clean and adjust it.

Also try bleeding the cooling system.
Old 10-21-2010, 04:55 PM
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Default Re: Idle Problem That I Cant Figure Out

its got the 1.5 d15b7 automatic... im not sure yet if it has an FITV but i will check and post back... thank you
Old 10-21-2010, 05:07 PM
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Default Re: Idle Problem That I Cant Figure Out

Yes, your engine has an FITV. Click link in my signature.

Bleeding the cooling system:

1) Park the car on an inclined driveway with the front end higher than the rear.

2) Push the dash heater lever/**** to MAX heat.

3) Follow the directions in the diagram below (hint: the bleed bolt is located where the upper radiator hose connects to the engine):

Old 10-21-2010, 05:08 PM
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Default Re: Idle Problem That I Cant Figure Out

Any CEL codes?
Old 10-21-2010, 05:19 PM
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Default Re: D15b7 Idle Problem That I Cant Figure Out

No CEL Lights/Codes... So should i try to bleed the cooling system first then replace the FITV?
Old 10-21-2010, 05:35 PM
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Default Re: D15b7 Idle Problem That I Cant Figure Out

either order will be fine. bleed it first because that will be the harder of the two IMO
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