Feedback Carburetor Tests W/Codes
- Basic Diagnosis & Testing Information
- Entering Diagnostic Mode
- Clearing Trouble Codes
- Exiting Diagnostic Mode
- Failure Code Determination
- Basic Diagnostic Procedure
- System Performance Check
- Diagnostic Tools
- Trouble Code Id Chart
- Diagnostic Circuit Check
- Driver Comment Checks
- Chart 1: Dwell Fixed Under 10° (Lean Exhaust Indicated)
- Chart 2: Dwell Fixed Between 10°-50°
- Chart 3: Dwell Fixed Over 50° (Rich Exhaust Indicated)
- Chart 4: TPS Enrichment Check
- Chart 5: "Check Engine" Light Inoperative
- Chart 6: Won't Flash Code 12
- Chart 7: Map & BARO Output Check
- Chart 8: Vacuum Sensor Check
- Canister Purge Valve Check
- Divert Valve Check
- Air Management System Check
- EFE (Electrically Heated) Check (3.8L Turbo)
- EFE (Electrically Heated) Check (Except 3.8L Turbo)
- EFE (Vacuum Servo) Check
- EGR Valve Check
- Electric Diverter Valve Check (EDV)
- Electronic Spark Control (ESC) System Check
- Engine Cranks But Will Not Run (With Integral Coil)
- Engine Cranks But Will Not Run (Remote Coil)
- Est Performance Check (Except 5.0L VIN Y & 9)
- Est Performance Check (5.0L VIN Y & 9)
- Idle Speed Control (ISC) Check
- PULSAIR Solenoid Check
- Pulse Width Modulated (PWM) EGR Check
- Trans Converter Clutch (TCC) Electrical Diagnosis
- Code 12: (Exc 3.8L VIN 9) No Reference Signal
- Code 12: (3.8L VIN 9) No Hall Effect Pulses
- Code 13: Open O2 Sensor Circuit
- Code 14: Closed Coolant Sensor Circuit
- Code 15: Open Coolant Sensor Circuit
- Code 21: Open TPS CKT Or MISADJUSTED
- Code 23: Mixture Control (M/C) Solenoid CKT
- Chart 24: Code 24: Vehicle Speed Sensor (VSS) CKT
- Chart 24A: Code 24: Vehicle Speed Sensor (VSS) CKT ("A" & "J" Series)
- Chart 24A: Code 24: Vehicle Speed Sensor (VSS) CKT ("A" & "F" Series)
- Chart 24B: Park/Neutral (P/N) CKT
- Code 32: BARO Sensor Voltage Too Low
- Code 33: Vacuum Sensor CKT Voltage Too High Or Low
- Code 34: Map Sensor CKT Voltage Too High Or Low
- Code 35: Shorted ISC Motor Throttle Switch
- Code 41: No Dist Reference Signal
- Code 42: Bypass Or Est Problem
- Code 43: EMC Terminal "L" Voltage Low
- Code 44: Lean Exhaust Indication
- Code 45: Rich Exhaust Indication
- Code 51: Prom Error Indication
- Code 54: M/C Solenoid To ECM Voltage Hi
- Code 55: O2 CKT Volt Hi Or Wrong, Volt On ECM Term. 21
- Chart C1 - ECM Replacement Check Chart
- Removal & Installation
- Pin Voltage Charts
- Wiring Diagrams