...with idling. the engine races up and down when the car is at a stand still and it sometimes goes off when moving at slow speeds. have throttle position switch checked and idle control valve
...valve bracket,if equipped,remove lower radiator hose from the thermostat housing,remove waterpump bypass hose, remove waterpump cover,use special tool to remove waterpump,install a new o-ring ...
Idle Air Control System RPM Higher than expected. The computer is detecting an idle speed higher than what it should be. A vacuum leak perhaps...EGR valve, faulty PCV valve, throttle body, EVAP system
...what is not working correctly and then you will be on the right path in the diagnosing, you may have a bad idle air control valve or maybe a leaking fuel preasure regulator, start with the
...1. Manifold Absolute Pressure (MAP) Sensor; 2. Idle Air Control (IAC) Valve; 3. Engine Coolant Temperature (ECT) Sensor; 4. Throttle Position (TP) Sensor Fig. Engine coolant temperature sensor
...idle control switch Disconnect the negative cable from the battery terminal...Locate the IAC valve on the side of the engine, near the intake...Remove the electric cable on the back of the IAC valve. ...
Question about 1991 DeVille
...idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake ...
Question about 1999 DeVille
...idle control valve on the 1999 Cadillac De Ville and is it the same thing as the idler motor? The IAC or idle air control valve is mounted in the throttle body and uses an air passage that opens or ...
...idle control sensor. No screw - fully computer controlled. Also, there is no idle control sensor - just a throttle position sensor (TPS) and an idle air control (IAC) motor. If you are replacing the ...
Question about 2000 DeVille
...IDLE CONTROL VALVE/IDLE AIR CONTROL BE CAUSING MY 2000 CADILLAC DEVILLE TO IDLE AT 1400 TO 1750 RPM SOMETIMES IT IDLES OK..IS IT A HARD FIX..THANKS... Try cleaning the throttle plate first . I ...
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