Tag: AUDI

Possible causes – Faulty spark plug 9– Clogged or faulty fuel injector 9– Faulty ignition coil 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection– Ignition coil 9 harness is open or shorted– Ignition coil 9 circuit poor electrical connection– Insufficient cylinder 9 compression– Incorrect fuel pressure– Intake…

Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection When is the obd code mean? Diagnostic trouble code is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning…

Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection When is the obd code mean? The output shaft speed sensor failed to provide a signal to the TCM upon initial movement of vehicle. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Speedometer…

Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Speedometer improper reading– Possible shifting problems P0721 AUDI OBD Code Description The speed sensor detects the revolution of the idler gear parking pawl lock gear…

Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No throttle response

Possible causes – Faulty throttle position sensor.– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection When is the obd code mean? An excessively low voltage from the Throttle Pedal Position (TPP) Sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon…

Possible causes – Faulty Throttle Position Sensor– Throttle Position Sensor circuit is open or shorted– Throttle Position Sensor poor electrical connection When is the obd code mean? Malfunction is detected when an excessively low or high voltage from the sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine…

Possible causes – Faulty spark plug 1– Clogged or faulty fuel injector 1– Faulty ignition coil 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection– Ignition coil 1 harness is open or shorted– Ignition coil 1 circuit poor electrical connection– Insufficient cylinder 1 compression– Incorrect fuel pressure– Intake…

Possible causes – Faulty spark plug 10– Clogged or faulty fuel injector 10– Faulty ignition coil 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection– Ignition coil 10 harness is open or shorted– Ignition coil 10 circuit poor electrical connection– Insufficient cylinder 10 compression– Incorrect fuel pressure– Intake…

Possible causes – Faulty spark plug 2– Clogged or faulty fuel injector 2– Faulty ignition coil 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection– Ignition coil 2 harness is open or shorted– Ignition coil 2 circuit poor electrical connection– Insufficient cylinder 2 compression– Incorrect fuel pressure– Intake…