Engine Stalls
- Ensure air intake system is unrestricted.
- Ensure PCV system operation is correct.
- Check EGR system for correct operation.
- Check Idle Air Control (IAC) valve.
- Check for cracks and poor connections at throttle body.
- Check Throttle Position (TP) sensor operation.
- Check Engine Coolant Temperature (ECT) sensor operation.
- Ensure fuel system pressure is correct.
- Check for poor quality fuel, fuel with high alcohol content or contaminated fuel.