Rough idle when clutch is depressed

skym0903 · Nov 14, 2017

Hi everyone,

Like the title says, does anyone have rough idling issue when then clutch is fully depressed?

Mine dips down to like 500 rpm then it shoots back up. I think it only happens when the clutch is depressed.

I dont hold in the clutch. It happens when the light turns green on a left turn signal for example and I'm ready to engage first gear but the car in front hasn't moved yet.

I guess I'll have to catch it doing it... hm...

lucky phil · Nov 14, 2017

Maybe some anti depressants for the clutch? chear it up a bit.
Sorry in advance.

Ciao

Lqndon · Nov 14, 2017

Mine is the same way. I think its just the car honestly. Im just used to it and so far im at 6.6k miles and have had no problems.

SWEEPTHELEG · Nov 14, 2017

any mods?

skym0903 · Nov 17, 2017

No mods. Stock as it can be.

kfj said:
Turn off your ac and see if it does it

It still does it without A.C. It's about 70 degrees in Cali at night so I don't have the A.C. on. Still does the same thing...

kfj · Nov 14, 2017

Turn off your ac and see if it does it

Madokami · Nov 14, 2017

It's your AC. It does it without the AC on as well but it's not bad enough to notice it or dip the RPMs that far, the AC just happens to make it worse.

LiquidM4 · Nov 15, 2017

+1 for AC. The AC is a load on your motor that slightly saps horsepower. Most cars disable the aircon clutch on WOT and have an idle up feature that increases the idle slightly when the AC is on.

I had an old toyota where the idle up was faulty and if I had the aircon switched on and pulled up at the lights, I had to slightly press the accelerator or it would stall.

Rough idle when clutch is depressed

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