Manual sections

• 2.3l Pfi Tests W/codes
• 3.3l/3.8l Component Tests
• 3.3l/3.8l Pfi Tests W/codes
• Abbreviations
• Accessory Drive Belts
• Adjustments
• Antenna Systems
• Application
• 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
• 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
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Procedures
• Removal & Installation
• Reset Procedures
• Rpo Codes
• Seats
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Steering Linkage
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Theory & Operation
• Traction Control Disable
• Transmission
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

3.3l/3.8l Pfi Tests W/codes Buick Skylark VI

Step-by-step instructions on "3.3l/3.8l Pfi Tests W/codes" for Buick Skylark VI (1986–1992). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

112subsections

112articles

159illustrations

MODEL/BODY IDENTIFICATION

1 article

• MODEL/BODY IDENTIFICATION

BASIC DIAGNOSTIC PROCEDURE

1 article

• BASIC DIAGNOSTIC PROCEDURE 1

READING TROUBLE CODES

1 article

• READING TROUBLE CODES

STANDARDIZED ECM TROUBLE CODE DEFINITIONS

1 article

• STANDARDIZED ECM TROUBLE CODE DEFINITIONS

TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)

1 article

• TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)

CLEARING TROUBLE CODES

1 article

• CLEARING TROUBLE CODES

DIAGNOSTIC MATERIALS

1 article

• DIAGNOSTIC MATERIALS

Diagnostic Charts

1 article

• Diagnostic Charts

Diagnostic Aids

1 article

• Diagnostic Aids

FIELD SERVICE MODE CHECK

1 article

• FIELD SERVICE MODE CHECK

SPECIAL DIAGNOSTIC TOOLS

1 article

• SPECIAL DIAGNOSTIC TOOLS

SCAN TESTER USAGE

1 article

• SCAN TESTER USAGE

"NON-SCAN" VERSION

1 article

• "NON-SCAN" VERSION 1

"SCAN" VERSION

1 article

• "SCAN" VERSION 1

CHART A1: NO "SERVICE ENGINE SOON" (SES) LIGHT

1 article

• CHART A1: NO "SERVICE ENGINE SOON" (SES) LIGHT

Diagnostic Aids - Engine Runs Okay

1 article

• Diagnostic Aids - Engine Runs Okay 4

CHART A2: WON'T FLASH CODE 12, "SES" LIGHT ON

1 article

• CHART A2: WON'T FLASH CODE 12, "SES" LIGHT ON 3

CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L) 3

CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L, 2 OF 2)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L, 2 OF 2) 1

CHART A3: ENGINE CRANKS BUT WON'T RUN (1 OF 4) (3.8L)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (1 OF 4) (3.8L) 2

CHART A3: ENGINE CRANKS BUT WON'T RUN (2 OF 4) (3.8L)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (2 OF 4) (3.8L) 1

CHART A3: ENGINE CRANKS BUT WON'T RUN (3 OF 4) (3.8L)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (3 OF 4) (3.8L) 1

CHART A3: ENGINE CRANKS BUT WON'T RUN (4 OF 4) (3.8L)

1 article

• CHART A3: ENGINE CRANKS BUT WON'T RUN (4 OF 4) (3.8L) 1

CHART A5: FUEL SYSTEM ELECTRICAL TEST (3.3L A BODY)

1 article

• CHART A5: FUEL SYSTEM ELECTRICAL TEST (3.3L A BODY) 2

CHART A5: FUEL SYSTEM ELECTRICAL TEST (1 OF 2) (3.3L N BODY)

1 article

• CHART A5: FUEL SYSTEM ELECTRICAL TEST (1 OF 2) (3.3L N BODY) 2

CHART A5: FUEL SYSTEM ELECTRICAL TEST (2 OF 2) (3.3L N BODY)

1 article

• CHART A5: FUEL SYSTEM ELECTRICAL TEST (2 OF 2) (3.3L N BODY)

Additional Checks

1 article

• Additional Checks 1

CHART A5: FUEL SYSTEM ELECT TEST (1 OF 2, 3.8L W/STD CLUSTER)

1 article

• CHART A5: FUEL SYSTEM ELECT TEST (1 OF 2, 3.8L W/STD CLUSTER) 1

CHART A5: FUEL SYSTEM ELECT TEST (2 OF 2, 3.8L W/STD CLUSTER)

1 article

• CHART A5: FUEL SYSTEM ELECT TEST (2 OF 2, 3.8L W/STD CLUSTER)

CHART A5: FUEL SYS ELECT TEST (1 OF 2, 3.8L W/O STD CLUSTER)

1 article

• CHART A5: FUEL SYS ELECT TEST (1 OF 2, 3.8L W/O STD CLUSTER) 2

CHART A5: FUEL SYS ELECT TEST (2 OF 2, 3.8L W/O STD CLUSTER)

1 article

• CHART A5: FUEL SYS ELECT TEST (2 OF 2, 3.8L W/O STD CLUSTER)

CHART A7: FUEL PRESSURE TEST (1 OF 3) (3.3L A BODY)

1 article

• CHART A7: FUEL PRESSURE TEST (1 OF 3) (3.3L A BODY) 2

CHART A7: FUEL PRESSURE TEST (2 OF 3) (3.3L A BODY)

1 article

• CHART A7: FUEL PRESSURE TEST (2 OF 3) (3.3L A BODY)

Installation

1 article

• Installation

Removal

1 article

• Removal 2

CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.3L N BODY)

1 article

• CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.3L N BODY) 1

CHART A7: FUEL PRESSURE TEST (1 OF 2) (3.8L C/H BODY)

1 article

• CHART A7: FUEL PRESSURE TEST (1 OF 2) (3.8L C/H BODY) 2

CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.8L C/H BODY)

1 article

• CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.8L C/H BODY) 1

CODE 13: OPEN O2 SENSOR CIRCUIT

1 article

• CODE 13: OPEN O2 SENSOR CIRCUIT 3

CODE 14: CTS SIGNAL VOLTAGE LOW

1 article

• CODE 14: CTS SIGNAL VOLTAGE LOW 3

CODE 15: CTS SIGNAL VOLTAGE HIGH

1 article

• CODE 15: CTS SIGNAL VOLTAGE HIGH 1

CODE 16: SYSTEM VOLTAGE HIGH

1 article

• CODE 16: SYSTEM VOLTAGE HIGH 4

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 (3.8L)

1 article

• CODE 23: MAT SENSOR SIGNAL VOLTAGE HIGH (3.8L) 1

CODE 24: VEHICLE SPEED SENSOR (VSS)

1 article

• CODE 24: VEHICLE SPEED SENSOR (VSS) 2

CODE 25: MAT SENSOR SIGNAL VOLTAGE LOW (3.8L)

1 article

• CODE 25: MAT SENSOR SIGNAL VOLTAGE LOW (3.8L) 1

CODE 26: TCC QUAD-DRIVER CKT (3.3L W/125-C TRANS)

1 article

• CODE 26: TCC QUAD-DRIVER CKT (3.3L W/125-C TRANS) 3

CODE 26: TCC QUAD-DRIVER CKT (3.3L A BODY W/440-T4 TRANS)

1 article

• CODE 26: TCC QUAD-DRIVER CKT (3.3L A BODY W/440-T4 TRANS) 2

CODE 26: QUAD-DRIVER CIRCUIT (1 OF 3) (3.8L)

1 article

• CODE 26: QUAD-DRIVER CIRCUIT (1 OF 3) (3.8L) 2

CODE 26: QUAD-DRIVER CIRCUIT (2 OF 3) (3.8L)

1 article

• CODE 26: QUAD-DRIVER CIRCUIT (2 OF 3) (3.8L) 1

CODE 26: QUAD-DRIVER CIRCUIT (3 OF 3) (3.8L)

1 article

• CODE 26: QUAD-DRIVER CIRCUIT (3 OF 3) (3.8L) 1

CODE 27 OR 28: GEAR SWITCH CKTS (3.3L W/125-C TRANS)

1 article

• CODE 27 OR 28: GEAR SWITCH CKTS (3.3L W/125-C TRANS) 3

CODE 28 OR 29: GEAR SWITCH CKTS (3.3L W/440-T4 TRANS)

1 article

• CODE 28 OR 29: GEAR SWITCH CKTS (3.3L W/440-T4 TRANS) 1

CODE 27/28 OR 29: GEAR SWITCH CIRCUITS (3.8L)

1 article

• CODE 27/28 OR 29: GEAR SWITCH CIRCUITS (3.8L) 2

CODE 31: PARK/NEUTRAL SWITCH CIRCUIT

1 article

• CODE 31: PARK/NEUTRAL SWITCH CIRCUIT 3

CODE 34: MASS AIRFLOW (MAF) SENSOR

1 article

• CODE 34: MASS AIRFLOW (MAF) SENSOR 3

CODE 38: BRAKE SWITCH CIRCUIT (3.3L)

1 article

• CODE 38: BRAKE SWITCH CIRCUIT (3.3L) 3

CODE 38: BRAKE SWITCH CIRCUIT (3.8L)

1 article

• CODE 38: BRAKE SWITCH CIRCUIT (3.8L) 2

CODE 39: TCC CIRCUIT (3.3L W/125-C TRANS)

1 article

• CODE 39: TCC CIRCUIT (3.3L W/125-C TRANS) 1

CODE 39: TCC CIRCUIT (3.3L/3.8L W/440-T4 TRANS)

1 article

• CODE 39: TCC CIRCUIT (3.3L/3.8L W/440-T4 TRANS) 2

CODE 41, CAM SENSOR CIRCUIT ("C" & "H" BODIES; 3.8L)

1 article

• CODE 41, CAM SENSOR CIRCUIT ("C" & "H" BODIES; 3.8L)

All Updated Information

1 article

• All Updated Information

Circuit Description

1 article

• Circuit Description

Test Description

1 article

• Test Description 2

CODE E041, CAM SENSOR CIRCUIT ("E" BODIES; 3.8L)

1 article

• CODE E041, CAM SENSOR CIRCUIT ("E" BODIES; 3.8L) 1

CODE 42: EST IGNITION CIRCUIT

1 article

• CODE 42: EST IGNITION CIRCUIT 1

CODE 43: ELECTRONIC SPARK CONTROL (ESC)

1 article

• CODE 43: ELECTRONIC SPARK CONTROL (ESC) 3

CODE 44: LEAN EXHAUST INDICATION

1 article

• CODE 44: LEAN EXHAUST INDICATION 2

CODE 45: RICH EXHAUST INDICATOR

1 article

• CODE 45: RICH EXHAUST INDICATOR 1

CODE 46: POWER STEERING PRESSURE SWITCH (3.3L)

1 article

• CODE 46: POWER STEERING PRESSURE SWITCH (3.3L) 2

CODE 46: POWER STEERING PRESSURE SWITCH (3.8L)

1 article

• CODE 46: POWER STEERING PRESSURE SWITCH (3.8L) 2

CODE 48: MISFIRE DIAGNOSIS

1 article

• CODE 48: MISFIRE DIAGNOSIS 1

CODE 51: MEMCAL ERROR

1 article

• CODE 51: MEMCAL ERROR

CODE 63/64 OR 65: EGR FLOW CHECK (3.8L)

1 article

• CODE 63/64 OR 65: EGR FLOW CHECK (3.8L) 2

CODE 66: A/C PRESSURE SENSOR CKT (3.3L N BODY)

1 article

• CODE 66: A/C PRESSURE SENSOR CKT (3.3L N BODY) 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 1

Diagnosis

1 article

• Diagnosis

CHART C2A: INJECTOR BALANCE TEST

1 article

• CHART C2A: INJECTOR BALANCE TEST 1

CHART C2B: IDLE AIR CONTROL (3.3L)

1 article

• CHART C2B: IDLE AIR CONTROL (3.3L) 2

CHART C2B: IDLE AIR CONTROL (3.8L)

1 article

• CHART C2B: IDLE AIR CONTROL (3.8L) 2

CHART C3: CANISTER PURGE CHECK

1 article

• CHART C3: CANISTER PURGE CHECK 3

CHART C4H-1: C3I MISFIRE AT IDLE (3.3L)

1 article

• CHART C4H-1: C3I MISFIRE AT IDLE (3.3L) 1

CHART C4H-2: C3I MISFIRE UNDER LOAD (3.3L)

1 article

• CHART C4H-2: C3I MISFIRE UNDER LOAD (3.3L) 1

CHART C4F-1: C3I MISFIRE AT IDLE (3.8L C/H BODY)

1 article

• CHART C4F-1: C3I MISFIRE AT IDLE (3.8L C/H BODY) 1

CHART C4F-2: C3I MISFIRE UNDER LOAD (3.8L C/H BODY)

1 article

• CHART C4F-2: C3I MISFIRE UNDER LOAD (3.8L C/H BODY) 1

CHART C5: ELECTRONIC SPARK CONTROL (ESC)

1 article

• CHART C5: ELECTRONIC SPARK CONTROL (ESC) 1

CHART C7: EXHAUST GAS RECIRCULATION (3.8L)

1 article

• CHART C7: EXHAUST GAS RECIRCULATION (3.8L) 1

CHART C8: TCC (125-C TRANS, 3.3L A/N BODY)

1 article

• CHART C8: TCC (125-C TRANS, 3.3L A/N BODY) 1

CHART C8B: TCC W/440-T4 TRANS (1 OF 2) (3.3L A BODY)

1 article

• CHART C8B: TCC W/440-T4 TRANS (1 OF 2) (3.3L A BODY) 1

CHART C8B: TCC W/440-T4 TRANS (2 OF 2) (3.3L A BODY)

1 article

• CHART C8B: TCC W/440-T4 TRANS (2 OF 2) (3.3L A BODY) 1

CHART C8A: TCC W/440-T4 TRANS (1 OF 2) (3.8L)

1 article

• CHART C8A: TCC W/440-T4 TRANS (1 OF 2) (3.8L) 2

CHART C8A: TCC W/440-T4 TRANS (2 OF 2) (3.8L)

1 article

• CHART C8A: TCC W/440-T4 TRANS (2 OF 2) (3.8L) 1

CHART C10: A/C CLUTCH CONTROL (1 OF 2) (3.3L A BODY)

1 article

• CHART C10: A/C CLUTCH CONTROL (1 OF 2) (3.3L A BODY) 2

CHART C10: A/C CLUTCH CONTROL (2 OF 2) (3.3L A BODY)

1 article

• CHART C10: A/C CLUTCH CONTROL (2 OF 2) (3.3L A BODY) 1

CHART C10: A/C CLUTCH CONTROL (3.3L N BODY)

1 article

• CHART C10: A/C CLUTCH CONTROL (3.3L N BODY) 1

CHART C10A: A/C CLUTCH CONTROL (1 OF 2) (3.8L C/H BODY)

1 article

• CHART C10A: A/C CLUTCH CONTROL (1 OF 2) (3.8L C/H BODY) 2

CHART C10A: A/C CLUTCH CONTROL (2 OF 2) (3.8L C/H BODY)

1 article

• CHART C10A: A/C CLUTCH CONTROL (2 OF 2) (3.8L C/H BODY) 1

CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L A BODY)

1 article

• CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L A BODY) 2

CHART C12B: NO COOLING FAN(S) (3.3L A BODY)

1 article

• CHART C12B: NO COOLING FAN(S) (3.3L A BODY) 1

CHART C12C: COOLING FAN(S) ALWAYS ON (3.3L A BODY)

1 article

• CHART C12C: COOLING FAN(S) ALWAYS ON (3.3L A BODY) 1

CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L N BODY)

1 article

• CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L N BODY) 2

CHART C12B: NO COOLING FAN (3.3L N BODY)

1 article

• CHART C12B: NO COOLING FAN (3.3L N BODY) 1

CHART C12C: COOLING FAN ALWAYS ON (3.3L N BODY)

1 article

• CHART C12C: COOLING FAN ALWAYS ON (3.3L N BODY) 1

CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.8L)

1 article

• CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.8L) 2

CHART C12B: COOLING FAN ALWAYS ON (3.8L)

1 article

• CHART C12B: COOLING FAN ALWAYS ON (3.8L) 1

CHART C12C: NO LOW SPEED COOLING FAN (3.8L)

1 article

• CHART C12C: NO LOW SPEED COOLING FAN (3.8L) 1

CHART C12D: NO HIGH SPEED COOLING FAN (3.8L)

1 article

• CHART C12D: NO HIGH SPEED COOLING FAN (3.8L) 4

TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, A BODY)

1 article

• TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, A BODY) 4

TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, N BODY)

1 article

• TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, N BODY) 4

TERMINAL ID & VOLTAGE CHARTS (3.8L VIN C, C/H BODY)

1 article

• TERMINAL ID & VOLTAGE CHARTS (3.8L VIN C, C/H BODY) 7