1997 Honda Accord idle car reves up and down

Tiny
BARRYYATES
  • MEMBER
  • 1997 HONDA ACCORD
Electrical problem
1997 Honda Accord 4 cyl Front Wheel Drive Automatic

when car is started, motor reves up and down, when you put it in gear runs normal
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Tuesday, December 29th, 2009 AT 7:19 AM

1 Reply

Tiny
KHLOW2008
  • EXPERT
Hi barryyates,

The idling speed is out of specifications resulting in the problem.

Possible causes are :

1. Low coolant level or clogged coolant hoses to the Idle Air Control valve or Fast Idle Thermal Valve.

2. Stuck or faulty IAC.

3. Vacumn leakages. PCV, brake booster vacumn hoses.

4. Idling speed adjusted too high.

5. Faulty FITV.
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Sunday, January 3rd, 2010 AT 7:24 AM

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