Engine Hesitation
- Check fuel pressure.
- Check fuel pressure regulator.
- Check ignition system.
- Check intake system for leaks.
- Check DME relay.
- Check oxygen sensor and circuit.
- Check full throttle switch and circuit.
- Check intake air temperature sensor and circuit.
- Check engine coolant temperature sensor and circuit.
- Check engine speed/reference mark sensor and circuit.
- Check MAF sensor and circuit.
- Check Hall Effect sensor and circuit.
- Check knock sensors and circuits.
- Check fuel injector(s) and circuit(s).
- Check DME control unit (knock control).