Check engine light at full throttle
- Symptoms
- Check engine light comes on when you press the pedal fully
- Likely cause
- Often the throttle position sensor (TPS) or its wiring.
- Fix
- Get the code read with a scanner. Check the TPS and its connector.
- Applies to
- EFI
- Confidence
- low
Sources
Related problems on this car
- Idle drops or engine stalls when pressing the clutch
- Overheating
- Camshaft and tappet wear (top-end noise)
- Hard start after the car has been parked
Similar problems on other cars
- Check-engine light after cleaning the air-flow sensor · Toyota Vitz (1st gen)
- Check engine light with a jerk and unsteady rpm · Suzuki Wagon R (Pakistan, K10B)
- Whistling from the engine bay at idle · Toyota Vitz (1st gen)
Where the parts are · Warning lights · Fault codes · Maintenance
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