P0971 Trouble Code

View P0971 obd/2 error code description and symptoms. P0971 engine photo

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) P0971 DTC is a check of the VCT unit.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P0971 Error Code Repair Process :

For p0971 pressure control solenoid c control circuit high check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P0971 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks p0971 pressure control solenoid c control circuit high with your car's computers to find out exactly what's prompting the light to turn on.

P0971 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.

Common Causes of P0971

A common cause of code P0971 is the failure of P0971 Pressure Control Solenoid C Control Circuit High, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Faulty Intake Valve Timing Control Solenoid Valve
Open circuits caused by corrosion of electrical connectors.

P0971 code for all cars

You can view according P0971 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0971 Ford Granada

+P0971 Jensen S-v8

+P0971 Umm Alter

+P0971 Vauxhall Corsa

+P0971 Holden Frontera

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

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