What this code means

The electronic throttle blade is stuck in an open position or not returning to closed.

Symptoms

• High idle
• Engine races
• Check engine light
• Difficult to stop vehicle

Common causes

• Carbon buildup on throttle bore
• Broken return spring
• Throttle motor failure
• Foreign object in throttle body

Diagnostic steps

1. Visually inspect throttle blade
2. Clean throttle body
3. Test motor operation
4. Check for broken springs

Repair notes

Clean throttle body. Replace if spring or motor is damaged. Safety-critical repair.

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