VW Code 02789
02789 Description And Summary : |
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When you open exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration run rough, or might suddenly stall at any given speed 'b' rocker arm actuator control, circuit high also bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation is the final reason of the code. |
02789 Possible Causes:
02789 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 02789 Code
- Inspect all the connections fuel pump "a", low flow / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns