Poor Power Output
- Check fuel pressure.
- Check fuel pressure regulator.
- Check ignition system.
- Check intake system for leaks.
- Check MAF sensor and circuit.
- Check DME relay.
- Check ground circuits and connectors.
- Check charging system voltage.
- Check voltage to DME control unit.
- Check oxygen sensor and circuit.
- Check oxygen regulation stop circuit.
- Check idle 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 fuel tank venting solenoid.
- Check fuel injector(s) and circuit(s).
- Check DME control unit.