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-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Engine idle jumping (https://www.ft86club.com/forums/showthread.php?t=90013)

Shisui86 06-13-2015 05:12 PM

Engine idle jumping
 
Hey guys,
When my car is idle with the AC off, my revs jump from 500rpm to 1000rpm, car is brand new, anybody else have a similar issue?

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Fnbeast86 06-13-2015 05:33 PM

You can do some searches but it's very normal almost every car has weird the weird idling

churchx 06-13-2015 09:18 PM

Is it on cold starts or on already heated up engine? High rpm in former is for every car with that+different cam/ignition timing tuning to quicker heat up cat. I wouldn't say that idling to 1K is normal when engine is heated up though.

Shisui86 06-13-2015 09:20 PM

Already heated up engine, as long as its not a mechanical issue seems like just a sound quirk so far

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humfrz 06-14-2015 05:06 AM

hmmmm....... back in the day, one could just look up a vacuum gauge and by reading it, and adjusting a couple of screws, one could determine what was going on with that idle thing.

THEN, they added an automatic choke and it went downhill from there .....:sigh:

Today, with the ECU in control, maybe it just felt like messen with you.

I wouldn't worry about it .....;)


(who in the hell, let that old man back in here ..... :mad0260:)


humfrz

Shisui86 06-14-2015 05:07 AM

Hahaha thanks

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