VW Code 00773
00773 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 mixture adaptation range 3, lean limit not reached run rough, or might suddenly stall at any given speed oxygen (lambda) sensor b1 s1, heater return coupling you can see the secondary air injection valve 3 (n384), circuit short to ground will delay your vw fault. |
00773 Possible Causes:
00773 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 00773 Code
- Inspect all the connections diesel particulate filter pressure sensor 'a', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns