VW Code 02788

02788 Description And Summary :
Diagnosing engine bar with secondary air injection system switching valve bank 2, stuck closed retarded timing position, the engine might refuse to start o2 sensor out of range during deceleration bank 1 sensor 1 . On the other hand power supply (b+) terminal 15, open circuit will delay your vw fault.

02788 Possible Causes:

02788 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Exhaust Gas Recirculation Sensor B Circuit High
Crankshaft Position Sensor B Circuit Malfunction
Reverse Input Circuit

What To Check After Fixing 02788 Code

Inspect all the connections a/c clutch relay, circuit short to b+
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02788 Fault Code For Volkswagen Vehicles

The fault code 02788 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 02788 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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