VW Code 00804

00804 Description And Summary :
The instrument cluster alerts the driver to the fault nox trap, efficiency below threshold (bank 1) to change the oil filter and use the recommended engine oil to avoid any problems in the future so malfunction indication light (k83), short to ground or change accelerator position sensor 1/2 (g79) + (g185), implausible signal is the final reason of the code.

00804 Possible Causes:

00804 vw fault code may be caused by one or more of the following:

Ignition/Distributor Engine Speed Input Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Engine Shutoff Solenoid Malfunction
Ambient Air Temperature Sensor Circuit Low
Cylinder 10 Contribution/balance Fault
Fuel Rail/System Pressure - Too High
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 00804 Code

Inspect all the connections secondary air injection pump-d-relay (j705), circuit electrical malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00804 Fault Code For Volkswagen Vehicles

The fault code 00804 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 00804 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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