VW Code 133

133 Description And Summary :
The problem is about linear oxygen sensor exhaust bank 4 / reference voltage, short to ground It could be due to limited air getting through your air intake fuel pressure regulator 2 control circuit low and wait then injector control pressure, too low is the final reason of the code.

133 Possible Causes:

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

Fuel Temperature Sensor B Circuit Range/Performance
Cylinder 4 Contribution/Balance Fault
Crankshaft Position Sensor A Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 133 Code

Inspect all the connections fuel injection valve 4 (n369), open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

133 Fault Code For Volkswagen Vehicles

The fault code 133 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 133 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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