P1346
Variable Valve Timing Sensor Bank 1 Range/Performance Problem
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Check Engine light comes on
- The engine can operate in emergency mode
Causes
- VVT sensor malfunction
- Problems with wiring or connectors
- Low oil level or poor quality
- VVT system is dirty or damaged
- Engine control unit malfunction
How to Fix
- Check the level and condition of the engine oil
- Inspect the VVT sensor and its connections
- Check the integrity of wiring and connectors
- Test the VVT sensor using diagnostic equipment
- If necessary, replace the VVT sensor