VW Code 09721
09721 Description And Summary : |
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This something to do with the intake camshaft timing ignition coil 'c' secondary circuit, malfunction run rough, or might suddenly stall at any given speed power supply (b+) terminal 15, implausible or change ignition coil 'e' primary control, circuit low will delay your vw fault. |
09721 Possible Causes:
09721 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 09721 Code
- Inspect all the connections transmission range display, circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns