Section 20 (Engine Controls - System & Component Testing - 4.2L)
WARNING: This page is about a different car, the 2003 Isuzu Ascender. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Component Locations
- Computerized Engine Controls
- Sensors & Switches
- Modules, Motors, Relays & Solenoids
- Fuel Systems
- Alcohol/Contaminants In Fuel Diagnosis With Special Tool
- Alcohol/Contaminants In Fuel Diagnosis Without Special Tool
- Fuel Injector Balance Test Without Special Tool
- Fuel Injector Balance Test With Tech 2
- Fuel Injector Circuit Diagnosis
- Fuel Injector Coil Test
- Fuel Pump Electrical Circuit Diagnosis
- Fuel System Cleaning
- Fuel System Pressure Test
- Fuel Tank Leak Test
- Idle Control System
- Ignition Systems
- Emission Systems & Sub-Systems
- Miscellaneous Controls