Possible causes – Faulty Closed Throttle Position Switch– Closed Throttle Position Switch harness is open or shorted– Closed Throttle Position Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty Closed Throttle Position Switch– Closed Throttle Position Switch harness is open or shorted– Closed Throttle Position Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Tech notes The P1506 code means that the engine idle is out
Possible causes – Faulty Idle Air Control (IAC) valve– Dirty Idle Air Control (IAC) valve / Throttle Body– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Symptoms – Engine
Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Tech notes The P1506 code means that the engine idle is out
Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Tech notes The P1506 code means that the engine idle is out
Possible causes – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon
Possible causes – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon