Hard Start - Hot
- Inoperative ISC motor. EEC-IV diagnosis required. TP sensor stuck at WOT. EEC-IV diagnosis required. Injector leaking or inoperative. Check for fuel charge while cranking engine.
- Excessive fuel pressure. Service pressure regulator and fuel return line. Contaminated fuel pressure regulator valve and seat. Service pressure regulator or check fuel pressure bleed down after engine has been turned off. Injector "O" ring seal leaking. Perform injector leakage test.