CHOKE OR IDLE SPEED SURGING FROM FAST TO NORMAL WHEN FIRST STARTED AND WHEN AC AND HEAT IS TURNED ON.
1991 Toyota Pickup
September, 23, 2011 AT 11:49 PM
When engine is first started something is making the idle speed surge to fast back to normal. After a few minutes the idle speed is normal.I also notice this when the AC and heat is turned on. The vehicle is a 1991 Toyota truck 4cyl, 4x4 5 speed manual transmission with 140561 milage. Thanks