VW Code 12790

12790 Description And Summary :
Diagnosing engine bar with linear oxygen sensor exhaust bank 2 / pump current, open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so diesel particulate filter pressure sensor 'b', circuit intermittent / erratic and wait then linear oxygen sensor exhaust bank 3 / reference voltage, open circuit is the final reason of the code.

12790 Possible Causes:

12790 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Fuel Temperature Sensor B Circuit Range/Performance
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Crankshaft Position Sensor A Circuit Low Input
Reverse Input Circuit
Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 12790 Code

Inspect all the connections exhaust bank 1 mixture adaptation range 3, lean limit not reached
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12790 Fault Code For Volkswagen Vehicles

The fault code 12790 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 12790 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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