Poor Fuel Mileage
- Check choke valve operation.
- Check electric choke operation.
- Ensure enrichment valve is closed.
- Ensure auxiliary acceleration pump is not operating.
- Check feedback solenoid operation.
- Check engine coolant temperature sensor operation.
- Check engine speed sensor operation.
- Check oxygen sensor operation.
- Check slow-cut solenoid valve operation.
- Check throttle position sensor operation.
- Ensure electrical harness, connectors and wires are not broken or loose.