P1683
Throttle Valve Default Position Spring Performance Problem
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Unstable engine operation at idle
- Acceleration problems
- Check Engine Light Is On
- Floating engine speed
- Increased fuel consumption
Causes
- Worn or broken throttle spring
- Throttle valve sticking
- Throttle Position Sensor Malfunction
- Wiring Harness Problems
- Throttle actuator malfunction
How to Fix
- Check the mechanical condition of the throttle valve and spring
- Clean the throttle valve from carbon deposits
- Check throttle position sensor
- Check wiring integrity
- If necessary, replace the throttle assembly