My RPM arrow jumps up a bit when I have the car on Parked and turn on the AC. It does this repeatedly jumping up to 1 and then going back to close to 0. Is this normal?

175

Asked by Aug 08, 2014 at 01:21 PM about the 2004 Toyota Corolla

Question type: Maintenance & Repair

7 Answers

108,815

Sounds like your idle air control valve is acting up. Possibly dirty/faulty.

3 out of 3 people think this is helpful.
63,305

It is probably your ac compressor turning on and off as it should,it would put the engine under load,but the engine should make up for this and increase idle instead of decrease,

2 out of 2 people think this is helpful.
63,305

Dandy,may have it.

1 out of 1 people think this is helpful.

No. Not normal. In a 2004 Corolla 1.8 at idle with A/C on should idle about 1100 to 1200, A/c off about 900 to 1000. Lower than that the oil pressure is not up to snuff

4 out of 4 people think this is helpful.

And good morning fellas

2 out of 2 people think this is helpful.
63,305

Morning fordn.,,it,s afternoon where i am : )

1 out of 1 people think this is helpful.
175

Thank you!

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