Difficult To Start When Hot
- Check starter signal circuit. See CODE 43 in appropriate TESTS W/CODES article.
- Check idle speed control valve circuit.
- Check fuel pressure control VSV circuit (ES300 & GS300).
- Check fuel system circuit.
- Check injector circuit.
- Check cold start injector system (ES300 & SC400).
- Ensure ignition coil resistance values are within specification.
- Check distributor.
- Check spark plugs.