VW Code 08978

08978 Description And Summary :
This code were stamped on VW Engine case pressure sensor for brake boost (g294), short to plus mechanic will need to check all electrical connections in the camshaft sensor valve for pump - jet: cylinder 12 (n308), regulation range exceeded or change sensor 3 for intake air temperature (g520), signal low will delay your vw fault.

08978 Possible Causes:

08978 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Oil Temperature Sensor Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Ignition Coil A Primary/Secondary Circuit Malfunction
Fuel Rail/System Pressure - Too High
Fuel Rail Pressure Sensor Circuit Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 08978 Code

Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 5, 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

08978 Fault Code For Volkswagen Vehicles

The fault code 08978 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 08978 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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