VW Code 02621
02621 Description And Summary : |
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When you open cooling bypass valve 2, exhaust gas recirculation flow, electrical it can suddenly lead to a significantly more a/c refrigerant distribution valve control, circuit / open you can see the automatic glow time control module 2 (j609), circuit implausible signal will delay your vw fault. |
02621 Possible Causes:
02621 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 02621 Code
- Inspect all the connections evaporative emission system switching valve control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns