1996 Geo Prizm "engine idle" Questions

'99 silverado 5.3 engin will not idle runs at 2500 rpm and drops down to 1000 rpm the back up to 2500 rpm ------------------------- '99 silverado 5.3 engin will not idle runs at 2500 rpm ...

...engine is cold or hot and forget trying to use the a/c. everything works fine while moving at any speed though. The problem is in the idle air control valve which controls the idle of the motor and ...

...idle which is motor mounts wore out. The other is a slight miss in engine and there are are quit a few reasons fot that but the most comon reason is a vacuum leak. But the way you described you ...

...be due to a vacuum leak, start the engine and open the hood and listen around the engine for a hissing sound that will be a vacuum leak. this is the most common reason for a higher than normal

...engine only boggy , 35 to50 mph, my guess.? do a tunup, use the 60k tune up list in the operators guide. spark parts,(plugs,wires, cap,rotor) air filter, fuel filter. see the list, this is not all ...

...engine on running at 1200 rpms. Clean the IAC (Idle air control valve) inside the fuel system. You will see 2 holes on the side of the hole inside the fuel cylinder after removing the air duct work. ...

engine idle speed. The valve is located on the side of the throttle body. This valve allows the necessary amount of air, as determined by the (PCM) and controlled by a duty cycle signal, to bypass the

...engine diagnosis, but im not driving it so.....?? the cars EFI uses a device called and ISC, this is idle speed controller. if it sticks closed, it makes starting hard, and hot starts insane hard. if ...

is broken or stuck or not receiving signals from the engine ECU to increase the air flow to the intake in response to an increased engine load and therefore maintain the idle speed at the preset value

...engine power loss. up tall hills. no loss of idle speed, 800 normal, 400 rpm not. many suzukis have a P/S limit switch that sends a command to the ECU (EFI) to raise idle due to driver overloading ...