idle goes up and down when warm or cold . have a jbm h22a motor
Apr 26, 2010 at 4:56 PM
1998 Honda Prelude idle goes up and down
1998 HONDA PRELUDE
MATTYP
- MEMBER
- 1 POST
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KHLOW2008
- ✓ASE Certified Mechanic
- 41,814 POSTS
Hi mattyp,
If the idling speed is too high, it would cause that.
Possible causes are:
1. Idling speed adjusted too high.
2. Leaking vacumn, PCV, vacumn hoses etc.
3. Faulty or stuck IAC.
4. Lack of coolant in system.
5. Clogged coolant hoses to IAC
If the idling speed is too high, it would cause that.
Possible causes are:
1. Idling speed adjusted too high.
2. Leaking vacumn, PCV, vacumn hoses etc.
3. Faulty or stuck IAC.
4. Lack of coolant in system.
5. Clogged coolant hoses to IAC
May 1, 2010 at 6:39 AM
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