Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

irratic reving

 
Old 12-16-2005, 10:54 AM
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Default irratic reving

when i start up the car, somtimes the rpm meter goes up and down and up and down and up. it only happens somtimes... any ideas why this happens?
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Old 12-16-2005, 10:57 AM
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Default Re: irratic reving (rainydayman)

Check you IACV, it might be dirty, or check for any vacuum leaks around the IM. Check that and let me know wats up
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Old 12-16-2005, 11:41 AM
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Default Re: irratic reving (SOHCVTECx2)

This is what my friend's 92 accord is doing sometimes when he start it in the morning. What is this IACV and where to check for vacuums leak?
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Old 12-16-2005, 12:12 PM
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The IACV is the device that is located behind the intake manifold with sensors plugged into it, its usually held on by 2 screws. Unscrew it and spray brake cleaner into the side with the metal filter then drain it out. For vacuum leaks check all the hoses that connects to the IM
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Old 12-19-2005, 07:07 AM
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Default Re: (SOHCVTECx2)

thanx, i will try that and update.
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Old 12-19-2005, 07:32 AM
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Default Re: (rainydayman)

Is it doing it only when cold? Likely it is the FITV.
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