Section 6 (Engine Control System & Fuel System - 4.3L - Troubleshooting & Diagnosis)
WARNING: This page is about a different variant/trim than selected.
- Symptoms - Engine Controls
- 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 Pump Electrical Circuit Diagnosis
- Fuel System Diagnosis
- Fuel Injector Solenoid Coil Test
- Fuel Injector Balance Test with Special Tool
- Fuel Injector Balance Test with Tech 2
- Alcohol/Contaminants-in-Fuel Diagnosis (Without Special Tool)
- Alcohol/Contaminants-in-Fuel Diagnosis (With Special Tool)
- Idle Air Control (IAC) System Diagnosis
- Distributor Ignition (DI) System Diagnosis
- Inspection/Maintenance (I/M) System Check
- Inspection/Maintenance (I/M) Complete System Set Procedure
- Inspection/Maintenance (I/M) System DTC Table
- Service Bay Test