Engine Controls - 1.8L (L79) - Symptom Troubleshooting And Diagnosis
- Symptoms - Engine Controls
- Intermittent Conditions
- Hard Start
- Surges/Chuggles
- Lack of Power, Sluggishness, or Sponginess
- Detonation/Spark Knock
- Hesitation, Sag, Stumble
- Cuts Out, Misses
- Poor Fuel Economy
- Poor Fuel Fill Quality
- Rough, Unstable, or Incorrect Idle and Stalling
- Dieseling, Run-On
- Backfire
- Malfunction Indicator Lamp (MIL) Inoperative
- Malfunction Indicator Lamp (MIL) Always On
- Engine Cranks But Does Not Run
- Fuel System Diagnosis
- Fuel Pump Electrical Circuit Diagnosis (European Emissions)
- Fuel Pump Electrical Circuit Diagnosis (Non-European emissions)
- Fuel Injector Balance Test with Special Tool
- Fuel Injector Solenoid Coil Test
- Fuel Injector Circuit Diagnosis
- Alcohol/Contaminants-in-Fuel Diagnosis (w/o Special Tool)
- Alcohol/Contaminants-in-Fuel Diagnosis (w/ Special Tool)
- Idle Air Control (IAC) System Diagnosis
- Electronic Ignition System Diagnosis
- Crankcase Ventilation System Inspection/Diagnosis
- Main Relay Circuit Diagnosis