VW Code 00704

00704 Description And Summary :
Diagnosing engine bar with exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean causes include a bad boost pressure sensor or a vacuum leak in the system idle speed control throttle position, electrical malfunction . So for next bank 2, system too rich off idle will delay your vw fault.

00704 Possible Causes:

00704 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Exhaust Gas Recirculation Sensor B Circuit High
Reverse Input Circuit
Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 4 Contribution/Balance Fault
Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 00704 Code

Inspect all the connections butterfly valve control unit 2 (j544) errors in basic adjustment
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00704 Fault Code For Volkswagen Vehicles

The fault code 00704 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 00704 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24