P20F6 Audi S6 OBD Code

OBD/2 P20F6 error code description and symptoms.

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as P20F6. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P20F6

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P20F6 Audi S6 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P20F6 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p20f6 reductant injection valve stuck open bank 1 unit 1 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p20f6 reductant injection valve stuck open bank 1 unit 1.

Common Causes of Audi S6 P20F6 OBD2 Code

A common cause of code P20F6 is the failure of P20F6 Reductant Injection Valve Stuck Open Bank 1 Unit 1, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Erratic camshaft position due to low oil pressure
Continuous oil flow to the VCT piston chamber
Fuel injectors may be faulty

P20F6 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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P20F6 Audi S6 OBD Code

P20F6 Audi S6 Error Code Repair Process :

Common Causes of Audi S6 P20F6 OBD2 Code

P20F6 code for other Audi cars