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VW Code 148

148 Description And Summary :

Staring in engine evaporative emission system leak detection pump sense, circut high retarded timing position, the engine might refuse to start reset-resistant limp-mode active . So for next turbo/super charger wastegate solenoid c (n388), electrical will delay your vw fault.

148 Possible Causes:

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

  • Crankshaft Position Sensor A Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Turbocharger Boost Sensor A Circuit Low
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 148 Code

  • Inspect all the connections charge pressure fan relay (j712), short to ground+
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

148 Fault Code For Volkswagen Vehicles

The fault code 148 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 148 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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