How does the idle control valve on a Cadillac work?
How does the idle control valve on a Cadillac work?
The idle control valve on a Cadillac compensates for changes in the required air-fuel ratio of the engine by allowing more or less air into the engine. When the engine needs more air to raise the idle speed, such as in cold engine operation or when the air conditioner compressor comes on, the valve opens and passes more air.
How does the idle speed control actuator work?
An idle speed control actuator is controlled by an idle speed control actuator solenoid. This solenoid is controlled by a control module. When this solenoid is turned off, no vacuum is routed to the idle speed control actuator, allowing it to open the throttle slightly to increase idle speed.
What are the symptoms of a bad idle control valve?
$0.00 1 Irregular idle speed One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. 2 Check Engine Light comes on Another symptom of a potential issue with the idle control valve is an illuminated Check Engine Light. 3 Engine stalling
What are the symptoms of a bad throttle kicker actuator?
Symptoms of a Bad or Failing Throttle Kicker Actuator. 1 1. Throttle hesitation. Most of the time, the engine responds to throttle pressure applied by the driver without stumbling or hesitation. However, 2 2. Poor fuel economy. 3 3. Engine stalling often.
The idle control valve on a Cadillac compensates for changes in the required air-fuel ratio of the engine by allowing more or less air into the engine. When the engine needs more air to raise the idle speed, such as in cold engine operation or when the air conditioner compressor comes on, the valve opens and passes more air.
An idle speed control actuator is controlled by an idle speed control actuator solenoid. This solenoid is controlled by a control module. When this solenoid is turned off, no vacuum is routed to the idle speed control actuator, allowing it to open the throttle slightly to increase idle speed.
What causes the idle speed to go up or down?
The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. 2. Check Engine Light comes on
Symptoms of a Bad or Failing Throttle Kicker Actuator. 1 1. Throttle hesitation. Most of the time, the engine responds to throttle pressure applied by the driver without stumbling or hesitation. However, 2 2. Poor fuel economy. 3 3. Engine stalling often.
