Engine Controls - Tests W/Codes - 2.8L EFI
- Introduction
- Self-Diagnostic System
- Diagnostic Code Charts
- Trouble Code Identification
- ECM Terminal Identification
- Diagnostic Circuit Check
- Chart A-1 - No Check Engine Light
- Chart A-2 - No ALDL Data Or Will Not Flash Code 12 (Check Engine Light On Steady)
- Code 13 - O2 Sensor (Open Circuit)
- Code 14 - Cts Circuit (High Temperature Indicated)
- Code 15 - Cts Circuit (Low Temperature Indicated)
- Code 21 - TPS Circuit (Signal Voltage High)
- Code 22 - TPS Circuit (Signal Voltage Low)
- Code 24 - VSS Circuit
- Code 32 - EGR System
- Code 33 - Map Sensor (Signal Voltage High)
- Code 34 - Map Sensor (Signal Voltage Low)
- Code 42 - Est (Electronic Spark Timing)
- Code 43 - ESC (Electronic Spark Control)
- Code 44 - O2 Sensor (Lean Fuel Mixture)
- Code 45 - O2 Sensor (Rich Fuel Mixture)
- Code 51 - Prom Error
- Code 52 - CALPAK
- Code 54 - Fuel Pump (Low Circuit Voltage)
- Code 55 - Faulty ECM
- Summary