Manual sections
Wiring diagrams- A/c Compressor
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic HVAC System
- Automatic Trans
- Auxiliary Emission Control Systems
- Basic Trouble Shooting
- Body Electrical
- Body, Cab Control Systems
- Brakes
- Charging System
- Check Lists
- Computer Relearn
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Heated Glass/defoggers
- Heater
- Identification
- Ignition System
- Manual & Power Steering
- Manual HVAC System
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Procedures
- Removal & Installation
- Reset Procedures
- Restraints
- Rpo Codes
- Seats
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Supplemental Inflatable Restraint System: Diagnosis
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transfer Case
- Transmission
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance
Repair manual
Testing & Diagnostics GMC Envoy I
Step-by-step instructions on "Testing & Diagnostics" for GMC Envoy I (1997–2000). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
Engine Controls - Tests W/codes - 4.3L
- Engine Controls - Tests W/codes - 4.3L: Diagnosis
- Engine Controls - Tests W/codes - 4.3L: Component Locations
- Engine Controls - Tests W/codes - 4.3L: Other
- DTC P0101 - MAF SENSOR SYSTEM PERFORMANCE
- DTC P0102 - MAF SENSOR CIRCUIT LOW FREQUENCY
- DTC P0103 - MAF SENSOR CIRCUIT HIGH FREQUENCY
- DTC P0106 - MAP SENSOR SYSTEM PERFORMANCE
- DTC P0107 - MAP SENSOR CIRCUIT LOW VOLTAGE
- DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0112 - IAT SENSOR CIRCUIT LOW VOLTAGE
- DTC P0113 - IAT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0117 - ECT SENSOR CIRCUIT LOW VOLTAGE
- DTC P0118 - ECT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0121 - TP SENSOR SYSTEM PERFORMANCE
- DTC P0122 - TP SENSOR CIRCUIT LOW VOLTAGE
- DTC P0123 - TP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0125 - ECT EXCESSIVE TIME TO REACH CLOSED LOOP
- DTC P0131 - HO2S CIRCUIT LOW VOLTAGE BANK 1, SENSOR 1
- DTC P0132 - HO2S CIRCUIT HIGH VOLTAGE BANK 1, SENSOR 1
- DTC P0133 - HO2S SLOW RESPONSE BANK 1, SENSOR 1
- DTC P0134 - HO2S INSUFFICIENT ACTIVITY BANK 1, SENSOR 1
- DTC P0135 - HO2S HEATER CIRCUIT BANK 1, SENSOR 1
- DTC P0143 - HO2S CIRCUIT VOLTAGE LOW BANK 1, SENSOR 3
- DTC P0144 - HO2S CIRCUIT HIGH VOLTAGE BANK 1, SENSOR 3
- DTC P0146 - HO2S INSUFFICIENT ACTIVITY BANK 1, SENSOR 3
- DTC P0147 - HO2S HEATER CIRCUIT BANK 1, SENSOR 3
- DTC P0151 - HO2S CIRCUIT VOLTAGE LOW BANK 2, SENSOR 1
- DTC P0152 - HO2S CIRCUIT VOLTAGE HIGH BANK 2, SENSOR 1
- DTC P0153 - HO2S SLOW RESPONSE BANK 2, SENSOR 1
- DTC P0154 - HO2S INSUFFICIENT ACTIVITY BANK 2, SENSOR 1
- DTC P0155 - HO2S HEATER CIRCUIT BANK 2, SENSOR 1
- DTC P0171 - FUEL TRIM SYSTEM LEAN BANK 1
- DTC P0172 - FUEL TRIM SYSTEM RICH BANK 1
- DTC P0174 - FUEL TRIM SYSTEM LEAN BANK 2
- DTC P0175 - FUEL TRIM SYSTEM RICH BANK 2
- DTC P0300 - ENGINE MISFIRE DETECTED
- DTC P0325 - KNOCK SENSOR MODULE CIRCUIT
- DTC P0327 - KNOCK SENSOR LOW VOLTAGE
- DTC P0336 - CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE
- DTC P0337 - CRANKSHAFT POSITION SENSOR CIRCUIT LOW FREQUENCY
- DTC P0338 - CRANKSHAFT POSITION SENSOR CIRCUIT HIGH FREQUENCY
- DTC P0340 - CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0341 - CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0401 - EGR SYSTEM INSUFFICIENT FLOW
- DTC P0404 - EGR VALVE OPEN PINTLE POSITION
- DTC P0405 - EGR PINTLE POSITION CIRCUIT LOW VOLTAGE
- DTC P0420 - TWC SYSTEM LOW EFFICIENCY BANK 1
- DTC P0440 - EVAP SYSTEM
- DTC P0442 - EVAP SYSTEM (SMALL LEAK DETECTED)
- DTC P0446 - EVAP SYSTEM VENT VALVE PERFORMANCE
- DTC P0452 - FUEL TANK PRESSURE SENSOR LOW VOLTAGE
- DTC P0453 - FUEL TANK PRESSURE SENSOR VOLTAGE HIGH
- DTC P0461 - FUEL LEVEL SENSOR CIRCUIT MALFUNCTION
- DTC P0462 - FUEL LEVEL SENSOR CIRCUIT VOLTAGE LOW
- DTC P0463 - FUEL LEVEL SENSOR CIRCUIT VOLTAGE HIGH
- DTC P0500 - VEHICLE SPEED SENSOR CIRCUIT
- DTC P0506 - IDLE CONTROL SYSTEM LOW RPM
- DTC P0507 - IDLE CONTROL SYSTEM HIGH RPM
- DTC P0601 - VCM MEMORY
- DTC P0602 - VCM NOT PROGRAMMED
- DTC P0704 - CLUTCH SWITCH CIRCUIT
- DTC P1106 - MAP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1107 - MAP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1111 - IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1112 - IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1114 - ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1115 - ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1121 - TP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1122 - TP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1133 - HO2S INSUFFICIENT SWITCHING BANK 1, SENSOR 1
- DTC P1134 - HO2S TRANSITION TIME RATIO BANK 1, SENSOR 1
- DTC P1153 - HO2S INSUFFICIENT SWITCHING BANK 2, SENSOR 1
- DTC P1154 - HO2S TRANSITION TIME RATIO BANK 2, SENSOR 1
- DTC P1336 - CKP SYSTEM VARIATION NOT LEARNED
- DTC P1345 - CRANKSHAFT/CAMSHAFT POSITION SENSOR CORRELATION
- DTC P1351 - IGNITION CONTROL (IC) CIRCUIT HIGH VOLTAGE
- DTC P1361 - IGNITION CONTROL CIRCUIT LOW VOLTAGE
- DTC P1380 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) DTC ROUGH ROAD DATA UNSTABLE
- DTC P1381 - MISFIRE DETECTED NO EBCM/VCM SERIAL DATA
- DTC P1404 - EGR VALVE CLOSED PINTLE POSITION
- DTC P1441 - EVAP SYSTEM FLOW DURING NON-PURGE
- DTC P1508 - IAC SYSTEM LOW RPM
- DTC P1509 - IAC SYSTEM HIGH RPM
- DTC P1621 - VCM EEPROM PERFORMANCE
- DTC P1626 - LOSS OF SERIAL COMMUNICATION WITH VTD
- DTC P1631 - THEFT DETERRENT SYSTEM PASSWORD INCORRECT
- DTC U1026 - LOSS OF ATCM COMMUNICATION
- DTC U1041 - LOSS OF EBCM COMMUNICATION
- DTC U1064 - LOSS OF BCM/VTD COMMUNICATION
Engine Controls - Basic Diagnostic Procedures - 4.3L
Engine Control System & Engine Component Tests - 4.3L
- Engine Control System & Engine Component Tests - 4.3L: Specifications
- Engine Control System & Engine Component Tests - 4.3L: Diagnosis
- Engine Control System & Engine Component Tests - 4.3L: Wiring
- Engine Control System & Engine Component Tests - 4.3L: Component Locations
- Engine Control System & Engine Component Tests - 4.3L: Other