VW Code 03304

03304 Description And Summary :
This something to do with the intake camshaft timing exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded the system depends on oil pressure to switch between cam profiles fuel pump "a", low flow / performance . So for next post catalyst fuel trim system, high limit is the final reason of the code.

03304 Possible Causes:

03304 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Timing Reference High Resolution Signal A Too Many Pulses
Glow Plug/Heater Circuit 'A' Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 03304 Code

Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, 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

03304 Fault Code For Volkswagen Vehicles

The fault code 03304 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 03304 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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