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- - Idle dip ONLY with COMPRESSOR on (https://www.ft86club.com/forums/showthread.php?t=22220)

#87	11-14-2012 10:31 AM

Idle dip ONLY with COMPRESSOR on

So my idle dips to 500 then bumps to 800 then slowly drops back to 500. This ONLY happens when the A/C and/or defroster is on. Is this normal to dip when the compressor kicks in?

cobrabyte

11-14-2012 11:43 AM

Quote:

Originally Posted by #87 (Post 556378)

So my idle dips to 500 then bumps to 800 then slowly drops back to 500. This ONLY happens when the A/C and/or defroster is on. Is this normal to dip when the compressor kicks in?

Yep. It's a bit of parasitic drag on the serpentine belt so it'll 'drag' the motor down until it recovers.

cnk	11-14-2012 12:12 PM

This happens on all cars. . .you probably just never paid any attention to it.

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