VW Code 02644
02644 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit range / performance it can suddenly lead to a significantly more intake air heater "a", circuit high and wait then ignition coil 'k' primary control, circuit low will delay your vw fault. |
02644 Possible Causes:
02644 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 02644 Code
- Inspect all the connections potentiometer 2 for egr (g466), signal too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns