Manual sections

• A/c Compressor
• Abbreviations
• Adjustments
• Airbag
• Anti-Lock/traction Control
• Application
• Automatic Trans
• Automatic Transmission Diagnosis - 4l80-e
• Auxiliary Emission Control Systems
• Basic Trouble Shooting
• Brakes
• Charging System
• Check Lists
• Clutches Manual & Hydraulic
• Communication Devices
• Computer Relearn
• Cooling Fan
• Cooling System (mechanical)
• Cruise Control Systems
• Diagnosis - 4l60-e
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Controls - Tests W/codes - 5.7l
• Engine Controls - Tests W/codes - 6.5l Diesel
• Engine Controls - Tests W/codes - 7.4l
• Engine Performance
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Heated Glass/defoggers
• Heater
• Identification
• Manual & Power Steering
• Manual HVAC System
• Manual Trans
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Passive Restraints
• Pin Voltage Charts
• Procedures
• Removal & Installation
• Reset Procedures
• Restraints
• Rpo Codes
• Seats
• Sensor Range Charts
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Theory & Operation
• Traction Control Disable
• Transfer Case
• Transmission
• Warning System
• Wheel Alignment
• Windows
• Wiper/washer Systems
• Wiring Diagrams - Engine Performance

Repair manual

Engine Controls - Tests W/codes - 7.4l GMC Suburban I

Step-by-step instructions on "Engine Controls - Tests W/codes - 7.4l" for GMC Suburban I (1992–1999). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

83subsections

83articles

103illustrations

MODEL IDENTIFICATION

1 article

• MODEL IDENTIFICATION

INTRODUCTION

1 article

• INTRODUCTION

TERMINOLOGY

1 article

• TERMINOLOGY

SELF-DIAGNOSTIC SYSTEM

1 article

• SELF-DIAGNOSTIC SYSTEM

HARD FAILURES

1 article

• HARD FAILURES

INTERMITTENT FAILURES

1 article

• INTERMITTENT FAILURES

DIAGNOSTIC PROCEDURE

1 article

• DIAGNOSTIC PROCEDURE

RETRIEVING CODES (NON-SCAN)

1 article

• RETRIEVING CODES (NON-SCAN) 2

READING TROUBLE CODES

1 article

• READING TROUBLE CODES

CLEARING TROUBLE CODES

1 article

• CLEARING TROUBLE CODES

ECM LOCATION

1 article

• ECM LOCATION

Diagnostic Aids

1 article

• Diagnostic Aids

Field Service Mode Check

1 article

• Field Service Mode Check

SPECIAL TOOLS (DIAGNOSTIC)

1 article

• SPECIAL TOOLS (DIAGNOSTIC)

SCAN TESTER USAGE

1 article

• SCAN TESTER USAGE

SCAN TESTER DATA

1 article

• SCAN TESTER DATA

TROUBLE CODE CHARTS

1 article

• TROUBLE CODE CHARTS

CODE 13, OPEN OXYGEN SENSOR CIRCUIT

1 article

• CODE 13, OPEN OXYGEN SENSOR CIRCUIT 2

CODE 14, COOLANT SENSOR SIGNAL VOLTAGE LOW

1 article

• CODE 14, COOLANT SENSOR SIGNAL VOLTAGE LOW 2

CODE 15, COOLANT SENSOR SIGNAL VOLTAGE HIGH

1 article

• CODE 15, COOLANT SENSOR SIGNAL VOLTAGE HIGH 1

CODE 16, VSS BUFFER FAULT

1 article

• CODE 16, VSS BUFFER FAULT 3

CODE 21, TPS SIGNAL VOLTAGE HIGH

1 article

• CODE 21, TPS SIGNAL VOLTAGE HIGH 2

CODE 22, TPS SIGNAL VOLTAGE LOW

1 article

• CODE 22, TPS SIGNAL VOLTAGE LOW 1

CODE 24, VEHICLE SPEED SENSOR - "C" & "K" SERIES

1 article

• CODE 24, VEHICLE SPEED SENSOR - "C" & "K" SERIES 1

CODE 24, VSS TRANSMISSION OUTPUT SIGNAL - A/T

1 article

• CODE 24, VSS TRANSMISSION OUTPUT SIGNAL - A/T 1

CODE 28, TRANSMISSION RANGE PRESSURE SWITCH

1 article

• CODE 28, TRANSMISSION RANGE PRESSURE SWITCH 3

CODE 32, EGR CIRCUIT ERROR BACKPRESSURE EGR WITH SOL

1 article

• CODE 32, EGR CIRCUIT ERROR BACKPRESSURE EGR WITH SOL 2

CODE 32, EGR CIRCUIT ERROR WITH EVRV SOLENOID

1 article

• CODE 32, EGR CIRCUIT ERROR WITH EVRV SOLENOID 3

CODE 32, EGR CIRCUIT ERROR - "P" SERIES WITH LINEAR EGR

1 article

• CODE 32, EGR CIRCUIT ERROR - "P" SERIES WITH LINEAR EGR 3

CODE 32, EGR CIRCUIT ERROR - SERIES W/ LINEAR EGR

1 article

• CODE 32, EGR CIRCUIT ERROR - SERIES W/ LINEAR EGR 2

CODE 33, MAP SENSOR SIGNAL VOLTAGE HIGH

1 article

• CODE 33, MAP SENSOR SIGNAL VOLTAGE HIGH 2

CODE 34, MAP SENSOR SIGNAL VOLTAGE LOW

1 article

• CODE 34, MAP SENSOR SIGNAL VOLTAGE LOW 1

CODE 35, IDLE SPEED ERROR

1 article

• CODE 35, IDLE SPEED ERROR

IAC Valve Reset Procedure

1 article

• IAC Valve Reset Procedure

System Too Lean

1 article

• System Too Lean

System Too Rich

1 article

• System Too Rich

Throttle Body

1 article

• Throttle Body

IAC Valve Connections

1 article

• IAC Valve Connections

PCV Valve

1 article

• PCV Valve 2

CODE 36, IDLE SPEED ACTUATOR FAULT - A/T

1 article

• CODE 36, IDLE SPEED ACTUATOR FAULT - A/T 2

CODES 37/38, TCC BRAKE SWITCH ON/OFF

1 article

• CODES 37/38, TCC BRAKE SWITCH ON/OFF 2

CODE 39, TCC STUCK OFF - 4L80-E TRANSMISSION

1 article

• CODE 39, TCC STUCK OFF - 4L80-E TRANSMISSION 2

CODE 42, IGNITION CONTROL

1 article

• CODE 42, IGNITION CONTROL 3

CODE 43, KNOCK SENSOR WITHOUT SPARK MODULE (DUAL SENSORS)

1 article

• CODE 43, KNOCK SENSOR WITHOUT SPARK MODULE (DUAL SENSORS) 2

CODE 43, KNOCK SENSOR WITHOUT SPARK MODULE (SINGLE SENSOR)

1 article

• CODE 43, KNOCK SENSOR WITHOUT SPARK MODULE (SINGLE SENSOR) 2

CODE 43, KNOCK SENSOR WITH SPARK CONTROL MODULE

1 article

• CODE 43, KNOCK SENSOR WITH SPARK CONTROL MODULE 3

CODE 44, LEAN EXHAUST INDICATION

1 article

• CODE 44, LEAN EXHAUST INDICATION

O2 Sensor Wire

1 article

• O2 Sensor Wire

Fuel Contamination

1 article

• Fuel Contamination

Fuel Pressure

1 article

• Fuel Pressure

Exhaust Leaks

1 article

• Exhaust Leaks 1

CODE 45, RICH EXHAUST INDICATION

1 article

• CODE 45, RICH EXHAUST INDICATION

Fuel Pressure High

1 article

• Fuel Pressure High

Ignition Ground

1 article

• Ignition Ground

Fuel Canister

1 article

• Fuel Canister

MAP Sensor

1 article

• MAP Sensor

TPS

1 article

• TPS

O2 Sensor Contamination

1 article

• O2 Sensor Contamination

EGR Problem

1 article

• EGR Problem 1

CODE 51, PROM ERROR (FAULTY OR INCORRECT PROM)

1 article

• CODE 51, PROM ERROR (FAULTY OR INCORRECT PROM)

CODE 52, FAULTY CALPAK

1 article

• CODE 52, FAULTY CALPAK

CODE 52/53, SYSTEM VOLTAGE HIGH

1 article

• CODE 52/53, SYSTEM VOLTAGE HIGH 3

CODE 55, ECM/PCM ERROR

1 article

• CODE 55, ECM/PCM ERROR

CODE 54, FUEL PUMP CIRCUIT

1 article

• CODE 54, FUEL PUMP CIRCUIT 4

CODE 58, TRANSMISSION FLUID TEMPERATURE HIGH

1 article

• CODE 58, TRANSMISSION FLUID TEMPERATURE HIGH 3

CODE 59, TRANSMISSION FLUID TEMPERATURE LOW

1 article

• CODE 59, TRANSMISSION FLUID TEMPERATURE LOW 1

CODE 66, 3-2 CONTROL SOLENOID CKT FAULT 4L60-E TRANSMISSION

1 article

• CODE 66, 3-2 CONTROL SOLENOID CKT FAULT 4L60-E TRANSMISSION 2

CODE 67, TCC SOLENOID CIRCUIT CHECK - 4L60-E TRANSMISSION

1 article

• CODE 67, TCC SOLENOID CIRCUIT CHECK - 4L60-E TRANSMISSION 2

CODE 68, OVERDRIVE RATIO ERROR - 4L80-E TRANSMISSION

1 article

• CODE 68, OVERDRIVE RATIO ERROR - 4L80-E TRANSMISSION 1

CODE 69, TORQUE CONVERTER CLUTCH STUCK ON 4L60-E TRANSMISSION

1 article

• CODE 69, TORQUE CONVERTER CLUTCH STUCK ON 4L60-E TRANSMISSION 2

CODE 69, TORQUE CONVERTER CLUTCH STUCK ON 4L80-E TRANSMISSION

1 article

• CODE 69, TORQUE CONVERTER CLUTCH STUCK ON 4L80-E TRANSMISSION 1

CODE 72, VSS CIRCUIT LOSS TRANSMISSION OUTPUT SIGNAL

1 article

• CODE 72, VSS CIRCUIT LOSS TRANSMISSION OUTPUT SIGNAL 2

CODE 73, PRESSURE CONTROL SOLENOID (CURRENT ERROR)

1 article

• CODE 73, PRESSURE CONTROL SOLENOID (CURRENT ERROR) 2

CODE 74, TRANSMISSION INPUT SPEED ERROR 4L80-E TRANSMISSION

1 article

• CODE 74, TRANSMISSION INPUT SPEED ERROR 4L80-E TRANSMISSION 2

CODE 75, SYSTEM VOLTAGE LOW

1 article

• CODE 75, SYSTEM VOLTAGE LOW 2

CODE 79, TRANSMISSION FLUID TEMPERATURE HIGH

1 article

• CODE 79, TRANSMISSION FLUID TEMPERATURE HIGH 1

CODE 81, TRANSMISSION 2-3 ERROR

1 article

• CODE 81, TRANSMISSION 2-3 ERROR 2

CODE 82, TRANSMISSION 1-2 ERROR

1 article

• CODE 82, TRANSMISSION 1-2 ERROR 2

CODE 83, TCC SOLENOID CIRCUIT FAULT

1 article

• CODE 83, TCC SOLENOID CIRCUIT FAULT 1

CODE 85, UNDEFINED GEAR RATIO

1 article

• CODE 85, UNDEFINED GEAR RATIO 2

CODE 86, LOW GEAR RATIO ERROR

1 article

• CODE 86, LOW GEAR RATIO ERROR 1

CODE 87, HIGH GEAR RATIO ERROR

1 article

• CODE 87, HIGH GEAR RATIO ERROR 1

SUMMARY

1 article

• SUMMARY 15