P0510 Volkswagen Code – Closed Throttle Position Switch Malfunction

The P0510 Volkswagen code indicates a malfunction in the Closed Throttle Position Switch (CTPS), crucial for precise engine management. This component's failure leads to incorrect signals to the ECU, impairing fuel and ignition adjustments. Drivers may notice symptoms like the check engine light, unsteady idling, increased fuel consumption, and erratic gear shifts. Technicians typically diagnose… Continue reading P0510 Volkswagen Code – Closed Throttle Position Switch Malfunction

P0507 Volkswagen Code – Idle Air Control System RPM Higher Than Expected

The P0507 Volkswagen code indicates the engine's idle speed is higher than expected, often due to Idle Air Control (IAC) valve issues, throttle body complications, or vacuum leaks. Symptoms include high idle speed, rough idle, and increased fuel consumption. Proper diagnosis typically requires a diagnostic scanner, multimeter, and smoke machine. Repair costs vary from $200… Continue reading P0507 Volkswagen Code – Idle Air Control System RPM Higher Than Expected