Feedback Carburetor Tests W/Codes
- Diagnosis & Testing
- Entering/Exiting Diagnostic Mode
- Clearing Trouble Codes
- Reading Trouble Codes
- ECM Trouble Code Id
- Trouble Code Determination (Hard Or Intermittent)
- Diagnostic Chart Information
- Diagnostic Circuit Check
- Diagnostic Symptom Check
- System Performance Check (CARBURETED Models Only)
- Diagnostic Tools
- System Performance Check
- Chart A1: Dwell Fixed Under 10° Test
- Chart A2: Dwell Fixed Between 10-50° Test
- Chart A3: Dwell Fixed Over 50° Test
- Chart A5: "Check Engine" Light Inoperative Test
- Chart A6: Won't Flash Code 12 Test
- Code 12: No Reference Pulses From Distributor
- Code 13: Open O2 Sensor Circuit
- Code 14: Coolant Temp Sensor (Cts) Shorted
- Code 15: Coolant Temp Sensor (Cts) Open
- Code 21: TPS Circuit High
- Code 22 - TPS Circuit Low (5.0L VIN Y Only)
- Code 23: Mixture Control (M/C) Solenoid CKT Low
- Code 24: Vehicle Speed Sensor (VSS) (W/Digital Cluster)
- Code 24: Vehicle Speed Sensor (VSS) (Integral Buffer)
- Chart 24B: Park/Neutral (P/N) Circuit
- Code 32: BARO Sensor Voltage Low
- Code 34: Differential Pressure (Vacuum) Sensor
- Code 34: Map Sensor Circuit
- Code 35: Idle Speed Control Circuit
- Code 41: No Distributor Reference Signal
- Code 42: Electronic Spark Timing (Est)
- Code 43: Electronic Spark Control (ESC)
- Code 44: Lean Exhaust Indication
- Code 45: Rich Exhaust Indication
- Code 51: Faulty Prom
- Code 53: EGR Vacuum Control
- Code 54: Mixture Control (M/C) Solenoid CKT High
- Chart C1 - ECM Replacement Check Chart
- Chart C-1D: Map & BARO Output Check
- Chart C-1E: Differential Pressure Sensor (Vac) Check
- Chart C-2A: Idle Speed Control (ISC) Check
- Chart C-2B: Idle Speed Solenoid (5.0L VIN H & G; 5.7L VIN 6)
- Chart C-2C: Idle Load COMPENSATOR (5.0L VIN Y)
- Chart C-2D: Rear Vacuum Brake Check (5.0L VIN Y, 9)
- Chart C-2E-1 & 2: Idle Speed Solenoid (2.8L)
- Chart C-2F: TPS Enrichment Check
- Chart C-3: Canister Purge Valve Check
- Chart C-4A: Ignition System Check (W/Integral Coil)
- Chart C-4B: Ignition System Check (W/Remote Coil)
- Chart C-4C: Est Performance Check
- Chart C-5: Electronic Spark Control Check
- Chart C-6A: Air Management Check
- Chart C-7A: Pulse Width Modulated EGR Valve Check
- Chart C-7B: EGR Valve Check
- Chart C-8A-1: TCC Check
- Chart C-8A-2: TCC Check
- Chart C-9A: EFE Check (Electrically Heated)
- Chart C-9C: EFE Check (Vacuum Servo W/TVS)
- Chart C-9D: Electric EFE Check (Non-ECM Controlled)
- Chart C-10A: A/C Constant Run Relay Check (3.0L A Series)
- Chart C-10B: A/C Wot Relay Check (3.0L A Series)
- Chart C-10C: A/C Cut-Out Relay Check (5.0L VIN 9 & Y)
- Chart C-10D: A/C Wot Relay Check (All Others)
- Chart C-12A-1: Coolant Fan Functional Check
- Chart C-12A-2: Coolant Fan No Lo Speed Check
- Chart C-12A-3: Coolant Fan No Hi Speed Check
- ECM Terminal Id
- Wiring Diagrams