Manual sections

• 2.5l Tbi Tests W/codes
• 4.3l/5.0l/5.7l Tests W/codes
• A/c Compressor
• Abbreviations
• Adjustments
• Application
• Automatic Trans
• Auxiliary Emission Control Systems
• Basic Trouble Shooting
• Brakes
• Charging System
• Check Lists
• Clutches Manual & Hydraulic
• Computer Relearn
• Cooling Fan
• Cooling System (mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Driveline/axles
• Driveshaft & Universal Joints
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Performance
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Heater
• Horns
• Identification
• Ignition System
• Locking Hubs
• Manual & Power Steering
• Manual HVAC System
• Manual Trans
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Procedures
• Removal & Installation
• Reset Procedures
• Rpo Codes
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Steering Gear
• Steering Linkage
• Suspension Front
• Testing & Diagnostics
• Theory & Operation
• Traction Control Disable
• Transfer Case
• Transmission
• Warning System
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

2.5l Tbi Tests W/codes Chevrolet Cab & Chassis C20

Step-by-step instructions on "2.5l Tbi Tests W/codes" for Chevrolet Cab & Chassis C20 (1985–1986). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

31subsections

31articles

66illustrations

DIAGNOSIS & TESTING

1 article

• DIAGNOSIS & TESTING 1

CLEARING TROUBLE CODES

1 article

• CLEARING TROUBLE CODES

READING TROUBLE CODES

1 article

• READING TROUBLE CODES

TROUBLE CODE IDENTIFICATION - TBI MODELS

1 article

• TROUBLE CODE IDENTIFICATION - TBI MODELS

TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)

1 article

• TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)

DIAGNOSTIC CHARTS

1 article

• DIAGNOSTIC CHARTS

DIAGNOSTIC CIRCUIT CHECK

1 article

• DIAGNOSTIC CIRCUIT CHECK

DIAGNOSTIC SYMPTOM CHECK

1 article

• DIAGNOSTIC SYMPTOM CHECK

FIELD SERVICE MODE

1 article

• FIELD SERVICE MODE

DIAGNOSTIC TOOLS

1 article

• DIAGNOSTIC TOOLS 1

CHART A1 - NO "SERVICE ENGINE SOON" LIGHT

1 article

• CHART A1 - NO "SERVICE ENGINE SOON" LIGHT 3

CHART A2 - WON'T FLASH CODE 12

1 article

• CHART A2 - WON'T FLASH CODE 12 3

CHART A3 - ENGINE CRANKS, BUT WILL NOT RUN

1 article

• CHART A3 - ENGINE CRANKS, BUT WILL NOT RUN 7

CHART A5 - FUEL SYSTEM DIAGNOSIS (1 OF 3)

1 article

• CHART A5 - FUEL SYSTEM DIAGNOSIS (1 OF 3) 5

CHART A6 - FUEL SYSTEM DIAGNOSIS (2 OF 3)

1 article

• CHART A6 - FUEL SYSTEM DIAGNOSIS (2 OF 3) 3

CHART A7 - FUEL SYSTEM DIAGNOSIS (3 OF 3)

1 article

• CHART A7 - FUEL SYSTEM DIAGNOSIS (3 OF 3) 3

CODE 13 - OXYGEN (O2) SENSOR CIRCUIT

1 article

• CODE 13 - OXYGEN (O2) SENSOR CIRCUIT 3

CODE 14 - COOLANT SENSOR CIRCUIT (SIGNAL VOLTAGE LOW)

1 article

• CODE 14 - COOLANT SENSOR CIRCUIT (SIGNAL VOLTAGE LOW) 2

CODE 15 - COOLANT SENSOR CIRCUIT (SIGNAL VOLTAGE HIGH)

1 article

• CODE 15 - COOLANT SENSOR CIRCUIT (SIGNAL VOLTAGE HIGH) 2

CODE 21 - THROTTLE POSITION SENS (TPS) (SIGNAL VOLTAGE HIGH)

1 article

• CODE 21 - THROTTLE POSITION SENS (TPS) (SIGNAL VOLTAGE HIGH) 4

CODE 22 - THROTTLE POSITION SENSOR (TPS) (SIGNAL VOLTAGE LOW)

1 article

• CODE 22 - THROTTLE POSITION SENSOR (TPS) (SIGNAL VOLTAGE LOW) 4

CODE 24 - VEHICLE SPEED SENSOR (VSS)

1 article

• CODE 24 - VEHICLE SPEED SENSOR (VSS) 3

CODE 33 - MAP SENSOR (SIGNAL VOLTAGE HIGH)

1 article

• CODE 33 - MAP SENSOR (SIGNAL VOLTAGE HIGH) 3

CODE 34 - MAP SENSOR (SIGNAL VOLTAGE LOW)

1 article

• CODE 34 - MAP SENSOR (SIGNAL VOLTAGE LOW) 3

CODE 35, IDLE AIR CONTROL (IAC)

1 article

• CODE 35, IDLE AIR CONTROL (IAC) 3

CODE 42 - ELECTRONIC SPARK TIMING (EST)

1 article

• CODE 42 - ELECTRONIC SPARK TIMING (EST) 4

CODE 44 - LEAN EXHAUST INDICATION

1 article

• CODE 44 - LEAN EXHAUST INDICATION 3

CODE 45 - RICH EXHAUST INDICATION

1 article

• CODE 45 - RICH EXHAUST INDICATION 2

CODE 51 - FAULTY PROM

1 article

• CODE 51 - FAULTY PROM

CODE 55 - FAULTY ECM

1 article

• CODE 55 - FAULTY ECM

CHART C1 - ECM REPLACEMENT CHECK CHART

1 article

• CHART C1 - ECM REPLACEMENT CHECK CHART 4