P1303 Vauxhall Cavalier OBD Code

OBD/2 P1303 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) P1303 DTC is a check of the VCT unit.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

P1303 Vauxhall Cavalier Error Code Repair Process :

If your p1303 egr calibration fault check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P1303 and engine control unit are in charge of monitoring a bunch of different p1303 egr calibration fault, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Vauxhall Cavalier P1303 OBD2 Code

A common cause of code P1303 is the failure of P1303 EGR Calibration Fault, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Engine Control Module (ECM)
Incorrect Positive Crankcase Ventilation (PCV) hose connection
Faulty Camshaft Position Sensor

P1303 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P1303 Vauxhall Cavalier OBD Code

P1303 Vauxhall Cavalier Error Code Repair Process :

Common Causes of Vauxhall Cavalier P1303 OBD2 Code

P1303 code for other Vauxhall cars