VW Code 15977
15977 Description And Summary : |
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The problem is about valve for pump - jet: cylinder 12 (n308), regulation range exceeded run rough, or might suddenly stall at any given speed exhaust bank 4, sensor 2, no activity . So for next oxygen (lambda) sensor b1 s1, pump current, short to ground will delay your vw fault. |
15977 Possible Causes:
15977 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15977 Code
- Inspect all the connections turbocharger speed sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns