Persistent issues in EGR systems, catalytic converters, or sensors might be the culprits behind your VW's NOx test failure. Discover more now.
Category: Maintenance Guide
P0653 Volkswagen Code – Sensor Reference Voltage ‘B’ Circuit High
The P0653 fault code in Volkswagen vehicles indicates an issue with the sensor reference voltage 'B' circuit, denoting an improper 5-volt supply to sensors linked with the ECM. Symptoms of...
1999 Volkswagen Gol Problems (Reliability Report) [Expert Guide + Owner Data]
With recurring engine and electrical issues, discover how 1999 Volkswagen Gol owners manage maintenance challenges effectively by exploring expert insights and owner experiences.
How Do I Properly Break in a New Catalytic Converter on My VW?
Optimize your VW's performance by learning the essential steps to properly break in a new catalytic converter and uncover the secrets to ensuring its longevity.
2020 Volkswagen Multivan Problems [Complete Analysis + Owner Data]
Comprehensive insights into 2020 Volkswagen Multivan issues reveal critical engine and transmission concerns; discover essential owner data and solutions.
P0652 Volkswagen Code – Sensor Reference Voltage ‘B’ Circuit Low
The P0652 code in Volkswagen signifies a disruption in the sensor reference voltage 'B' circuit, where the typical 5 volts fall below normal, affecting sensors like O2 and MAF. Resulting...