Feedback Carburetor Tests W/Codes
- Description
- Diagnosis & Testing
- Basic Diagnostic Procedure
- Entering Or Exiting Diagnostic Mode
- Clearing Trouble Codes
- Reading Trouble Codes
- Trouble Code Identification
- Trouble Code Determination (Hard Or Intermittent)
- Diagnostic Materials
- Diagnostic Tools
- Diagnostic Circuit Check
- System Performance Check
- Chart A1: Dwell Fixed Under 10°
- Chart A2: Dwell Fixed Between 10°-50°
- Chart A3: Dwell Fixed Over 50°
- Chart A5: "Service Engine Soon" Light Inoperative
- Chart A6: Won't Flash Code 12/"SERV Eng Soon" Always On
- Code 12: No Distributor Reference Pulses
- Code 13: Oxygen Sensor Circuit
- Code 14: Coolant Sensor Shorted
- Code 15: Coolant Sensor Open
- Code 21: TPS Open Or MISADJUSTED
- Code 23: M/C Solenoid Circuit Low To ECM
- Code 34: Differential Pressure (Vacuum) Sensor
- Code 41: No Distributor Reference Signal
- Code 42: Electronic Spark Timing (Est)
- Code 43: ESC Voltage Low To ECM (4.3L)
- Code 44: Lean Exhaust Indication
- Code 45: Rich Exhaust Indication
- Code 51: Prom
- Code 54: M/C Solenoid Circuit High
- Chart C1 - ECM Replacement Check Chart
- Chart C1E: Differential Pressure (Vac) Sensor Check
- Chart C2F: TPS Enrichment Check
- Chart C2T-1: ISC Check "Throttle Kicker" (4.3L W/ A/C)
- Chart C2T-2: ISC Check "Throttle Kicker" (4.3L W/ A/C)
- Chart C2W: ISC Check "Throttle Kicker" (4.3L W/O A/C)
- Chart C3: Solenoid Valve Check
- Chart C4A: Ignition System Check With Est
- Chart C4D: Est Performance Check
- Chart C4E: Ignition System Check Without Est
- Chart C5: Electronic Spark Control (ESC) Check (4.3L)
- Chart C6C: Air Management Check EAC Valve
- Chart C7C: EGR System Check Without ECM
- Chart C7D: EGR Bleed Solenoid Check
- Chart C7E: Pulse Width Modulated (PWM) EGR System Check
- Chart C8B: TCC Electrical Diagnosis
- Chart C9C: EFE System Check-With TVS
- ECM Terminal Id
- Wiring Diagrams