Manual sections

• 3.0l VIN [l] & 3.8l VIN [3&7] Pfi Cec Comp Tests
• 5.0l/5.7l Carburetor Cec Tests
• Abbreviations
• Accessory Drive Belts
• Adjustments
• Antenna Systems
• Anti-Lock/traction Control
• Application
• Automatic HVAC System
• Automatic Trans
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Brakes
• Charging System
• Check Lists
• Computer Relearn
• Cooling Fan
• Cooling System (mechanical)
• Cruise Control Systems
• Diagnosis - Torque Converter Clutch
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Driveline/axles
• Driveshaft & Universal Joints
• Electrical Component Locations
• Electronic Suspension
• Emission Applications
• Engine
• Engine Performance
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Headlights
• Heated Glass/defoggers
• Identification
• Ignition System
• Manual & Power Steering
• Manual HVAC System
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Procedures
• Removal & Installation
• Reset Procedures
• Rpo Codes
• Seats
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Tests W/codes - 3.0l VIN (l) & 3.8l VIN (3 & 7)
• Tests W/codes - 3.8l "3800" (VIN C)
• Theory & Operation
• Traction Control Disable
• Transmission
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

Tests W/codes - 3.8l "3800" (VIN C) Buick LeSabre VI

Step-by-step instructions on "Tests W/codes - 3.8l "3800" (VIN C)" for Buick LeSabre VI (1986–1991). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

55subsections

55articles

67illustrations

DIAGNOSTIC CIRCUIT CHECK

1 article

• DIAGNOSTIC CIRCUIT CHECK 1

SELF-DIAGNOSTIC SYSTEM

1 article

• SELF-DIAGNOSTIC SYSTEM

DIAGNOSTIC TROUBLE CODE IDENTIFICATION

1 article

• DIAGNOSTIC TROUBLE CODE IDENTIFICATION

CHART A1 NO "SERVICE ENGINE SOON" LIGHT

1 article

• CHART A1 NO "SERVICE ENGINE SOON" LIGHT

Diagnostic Aids

1 article

• Diagnostic Aids 1

CHART A2, WON'T FLASH CODE 12, SERVICE ENGINE SOON LIGHT ON

1 article

• CHART A2, WON'T FLASH CODE 12, SERVICE ENGINE SOON LIGHT ON 1

CHART A3, ENGINE CRANKS BUT WILL NOT RUN

1 article

• CHART A3, ENGINE CRANKS BUT WILL NOT RUN 4

CHART A5, FUEL SYSTEM ELECT. TEST (NON-DIGITAL CLUSTER)

1 article

• CHART A5, FUEL SYSTEM ELECT. TEST (NON-DIGITAL CLUSTER) 2

CHART A5, FUEL SYSTEM ELECT. TEST (DIGITAL CLUSTER)

1 article

• CHART A5, FUEL SYSTEM ELECT. TEST (DIGITAL CLUSTER) 2

CHART A7, FUEL PRESSURE TEST

1 article

• CHART A7, FUEL PRESSURE TEST 2

CHART B1, RESTRICTED EXHAUST SYSTEM CHECK

1 article

• CHART B1, RESTRICTED EXHAUST SYSTEM CHECK

Check at O2 Sensor

1 article

• Check at O2 Sensor

Diagnosis

1 article

• Diagnosis 1

CHART C2, IDLE AIR CONTROL (IAC) VALVE CHECK

1 article

• CHART C2, IDLE AIR CONTROL (IAC) VALVE CHECK 1

CHART C2A, INJECTOR BALANCE TEST

1 article

• CHART C2A, INJECTOR BALANCE TEST 1

CHART C3, CANISTER PURGE CHECK

1 article

• CHART C3, CANISTER PURGE CHECK 1

CHART C4F1, C(3)I MISFIRE AT IDLE

1 article

• CHART C4F1, C(3)I MISFIRE AT IDLE 1

CHART C4F2, C(3)I MISFIRE UNDER LOAD

1 article

• CHART C4F2, C(3)I MISFIRE UNDER LOAD 1

CHART C5, ELECTRONIC SPARK CONTROL (ESC) SYSTEM CHECK

1 article

• CHART C5, ELECTRONIC SPARK CONTROL (ESC) SYSTEM CHECK 1

CHART C7, EXHAUST GAS RECIRCULATION (EGR) FLOW CHECK

1 article

• CHART C7, EXHAUST GAS RECIRCULATION (EGR) FLOW CHECK 2

CHART C8A, TORQUE CONVERTER CLUTCH (TCC) (1 OF 2)

1 article

• CHART C8A, TORQUE CONVERTER CLUTCH (TCC) (1 OF 2) 1

CHART C8A, TORQUE CONVERTER CLUTCH (TCC) (2 OF 2)

1 article

• CHART C8A, TORQUE CONVERTER CLUTCH (TCC) (2 OF 2) 1

CHART C10A, A/C CLUTCH CONTROL (1 OF 2)

1 article

• CHART C10A, A/C CLUTCH CONTROL (1 OF 2) 1

CHART C10A, A/C CLUTCH CONTROL (2 OF 2)

1 article

• CHART C10A, A/C CLUTCH CONTROL (2 OF 2) 1

CHART C12A, COOLANT FAN CHECK

1 article

• CHART C12A, COOLANT FAN CHECK 1

CHART C12B, COOLANT FAN CHECK

1 article

• CHART C12B, COOLANT FAN CHECK 1

CHART C12C, COOLANT FAN CHECK

1 article

• CHART C12C, COOLANT FAN CHECK 1

CODE 13, OPEN OXYGEN SENSOR CIRCUIT

1 article

• CODE 13, OPEN OXYGEN SENSOR CIRCUIT 1

CODE 14, COOLANT TEMP. CIRCUIT HIGH TEMP. INDICATED

1 article

• CODE 14, COOLANT TEMP. CIRCUIT HIGH TEMP. INDICATED 1

CODE 15, COOLANT SENSOR SIGNAL, LOW TEMPERATURE INDICATED

1 article

• CODE 15, COOLANT SENSOR SIGNAL, LOW TEMPERATURE INDICATED 1

CODE 16, SYSTEM VOLTAGE HIGH

1 article

• CODE 16, SYSTEM VOLTAGE HIGH 1

CODE 21, TPS SIGNAL VOLTAGE HIGH

1 article

• CODE 21, TPS SIGNAL VOLTAGE HIGH 1

CODE 22, TPS SIGNAL VOLTAGE LOW

1 article

• CODE 22, TPS SIGNAL VOLTAGE LOW 1

CODE 23, MAT SENSOR SIGNAL VOLTAGE HIGH

1 article

• CODE 23, MAT SENSOR SIGNAL VOLTAGE HIGH 1

CODE 24, VEHICLE SPEED SENSOR (VSS) CIRCUIT

1 article

• CODE 24, VEHICLE SPEED SENSOR (VSS) CIRCUIT 1

CODE 25, MAT SENSOR CIRCUIT (HIGH TEMP INDICATED)

1 article

• CODE 25, MAT SENSOR CIRCUIT (HIGH TEMP INDICATED) 1

CODE 26, QUAD DRIVER MODULE (QDM) ERROR

1 article

• CODE 26, QUAD DRIVER MODULE (QDM) ERROR 3

CODE 27, 28 & 29, 2ND, 3RD, 4TH GEAR SWITCH DIAGNOSIS

1 article

• CODE 27, 28 & 29, 2ND, 3RD, 4TH GEAR SWITCH DIAGNOSIS 2

CODE 31, PARK/NEUTRAL SWITCH CIRCUIT

1 article

• CODE 31, PARK/NEUTRAL SWITCH CIRCUIT 1

CODE 34, MASS AIRFLOW (MAF) SENSOR CIRCUIT

1 article

• CODE 34, MASS AIRFLOW (MAF) SENSOR CIRCUIT 1

CODE 38, BRAKE SWITCH CIRCUIT

1 article

• CODE 38, BRAKE SWITCH CIRCUIT 1

CODE 39, TORQUE CONVERTER CLUTCH (TCC) CIRCUIT

1 article

• CODE 39, TORQUE CONVERTER CLUTCH (TCC) CIRCUIT 2

CODE 41, CAM SENSOR CIRCUIT

1 article

• CODE 41, CAM SENSOR CIRCUIT

All Updated Information

1 article

• All Updated Information

Circuit Description

1 article

• Circuit Description

Test Description

1 article

• Test Description 3

CODE 42, EST IGNITION CIRCUIT

1 article

• CODE 42, EST IGNITION CIRCUIT 1

CODE 43, ELECTRONIC SPARK CONTROL (ESC) CIRCUIT

1 article

• CODE 43, ELECTRONIC SPARK CONTROL (ESC) CIRCUIT 3

CODE 44, OXYGEN SENSOR CIRCUIT (LEAN EXHAUST INDICATED)

1 article

• CODE 44, OXYGEN SENSOR CIRCUIT (LEAN EXHAUST INDICATED)

Diagnostics Aids

1 article

• Diagnostics Aids 1

CODE 45, OXYGEN SENSOR CIRCUIT (RICH EXHAUST INDICATED)

1 article

• CODE 45, OXYGEN SENSOR CIRCUIT (RICH EXHAUST INDICATED) 1

CODE 48, MISFIRE DIAGNOSIS

1 article

• CODE 48, MISFIRE DIAGNOSIS

CODE 51, MEM-CAL ERROR

1 article

• CODE 51, MEM-CAL ERROR

CODE 63, 64 & 65, EGR FLOW CHECK

1 article

• CODE 63, 64 & 65, EGR FLOW CHECK 5

ECM TERMINAL ID

1 article

• ECM TERMINAL ID 5