does anybody know why my geo tracker revs up when i turn on accesseries

Asked by Nov 03, 2016 at 04:06 PM about the 1990 Geo Tracker 2 Dr STD 4WD SUV

Question type: Maintenance & Repair

6 Answers

40,715

The AC unit draws a lot of power from the engine so the engine management computer may increase the engine speed to accommodate the extra demand.

1 out of 1 people think this is helpful.

just the heater fan. headlight switch or tuning wheels makes it rev up,

was told to have charging system checked.

40,715

The power steering pump and alternator also put loads on the engine. How much do the revs increase?

changed alternator seems to fix problem.

still acting up. does anyone have a solution?

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