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VW Code 29077

29077 Description And Summary :

Diagnosing engine bar with ignition coil 'i' primary control, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust aftertreatment fuel injector 'a', performance and wait then air leak between maf and throttle body is the final reason of the code.

29077 Possible Causes:

29077 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 29077 Code

  • Inspect all the connections hydraulic pressure sensor 1, too high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range