Fuel Injected
- Ensure sufficient secondary spark is available.
- Check air intake system for restriction.
- Ensure vacuum hoses are not disconnected or damaged.
- Ensure fuel system pressure is correct.
- Ensure fuel injector operation is correct.
- Ensure EGR valve operation is correct and that valve closes completely.
- Check for cracks or poor connections at throttle body.
- Ensure ignition and valve timing is correct.
- Ensure distributor pick-up coil air gap is correct.
- Ensure distributor pick-up coil resistance is within specification.
- Ensure ignition coil resistance is within specification.
- Check coolant temperature sensor operation.
- Check control relay operation.
- Check power transistor operation.
- Check operation of air induction valve.
- Ensure electrical harness and connectors are not broken or loose.
- Ensure that ECU has correct voltage supply and is properly grounded.
- Ensure engine has sufficient compression.