Engine Stall: Hot
- Remove vacuum hose from fuel pressure regulator and monitor for symptom change.
- Perform power balance test.
- Perform appropriate test in INJECTOR MALFUNCTION diagnostic chart in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section. Use DIAGNOSTIC CHARTS DIRECTORY table in I - SYS/COMP TESTS article to locate chart.
- Check for spark using spark tester.
- Ensure fuel pressure is within specification.
- Check ECU harness connector.
- Check ECU power source and ground circuit. See ECU POWER SOURCE & GROUND diagnostic chart in I - SYS/COMP TESTS. Use DIAGNOSTIC CHARTS DIRECTORY TABLE in I - SYS/COMP TESTS article to locate chart.
- Try a known good ECU.
- Check timing belt for proper installation (V6 models).