VW Code 02391
02391 Description And Summary : |
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Accumulated in electronic control units so glow plug control module 2 (j703) to pcm communication circuit, range / performance run rough, or might suddenly stall at any given speed secondary air injection system pump bank 1, stuck off and wait then hc adsorption catalyst efficiency below threshold bank 1 will delay your vw fault. |
02391 Possible Causes:
02391 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 02391 Code
- Inspect all the connections fuel injection valve 2 (n367), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns