GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
GMC C Cab/Chassis HD (GMT 400)
🢒
Engine
🢒 Engine Controls - 6.5L (L65)
Engine
All Component Locator
Engine Controls Component Views
All Description and Operation
Air Intake System Description
Fuel System Description
Glow Plug System Description
Powertrain Control Module Description
Service Programming System (SPS) Description
All Special Tools and Equipment
Special Tools
All Visual Identification
Engine Controls Connector End Views
Powertrain Control Module Connector End Views
Cleaning, Inspection, and Adjustment
Fuel Injection Pump Timing Adjustment
Fuel Injection Pump Top Dead Center Offset Adjustment
Fuel System Cleaning
Fuel Tank Inspection
Water-in-Fuel Draining
Diagnostic Procedures
Contaminants-in-Fuel Diagnosis
Cuts Out, Misses
Diagnostic Starting Point - Engine Controls
Diagnostic System Check - Engine Controls
Engine Cranks But Does Not Run
Excessive Smoke
Fuel Heater Inoperative
Fuel Injection Nozzle Diagnosis
Fuel Knock/Combustion Noise
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Test
Glow Plug System Diagnosis
Hard Start
Hesitation, Sag, Stumble
Intermittent Conditions
Lack of Power, Sluggishness, or Sponginess
Poor Fuel Economy
Surges/Chuggles
Symptoms - Engine Controls
Water-in-Fuel Lamp Always On
Water-in-Fuel Lamp Inoperative
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List
DTC P0112
DTC P0113
DTC P0117
DTC P0118
DTC P0121
DTC P0122
DTC P0123
DTC P0126
DTC P0182
DTC P0183
DTC P0215
DTC P0216
DTC P0219
DTC P0220
DTC P0221
DTC P0222
DTC P0223
DTC P0225
DTC P0226
DTC P0227
DTC P0228
DTC P0231
DTC P0236
DTC P0237
DTC P0238
DTC P0251
DTC P0263, P0266, P0269, P0272, P0275, P0278, P0281, or P0284
DTC P0300
DTC P0301-P0308
DTC P0335
DTC P0370
DTC P0380
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P1125
DTC P1214
DTC P1216
DTC P1217
DTC P1218
DTC P1627
DTC P1635
DTC P1641
DTC P1643
DTC P1654
DTC P1656
Electrical/Electronic Schematic Diagrams
Engine Controls Schematic Icons
Engine Controls Schematics
Electrical/Electronic Specifications
Diagnostic Trouble Code (DTC) Type Definitions
Diagnostic Trouble Code (DTC) Types
Engine Speed Versus Hertz (Hz)
Temperature Versus Resistance
Gas, Vacuum and Fluids Schematics and Diagrams
Emission Hose Routing Diagram
Fuel Injection Line Routing Diagram
General Diagnostic Information
Scan Tool Data Definitions
Scan Tool Data List
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Fuel System Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Accelerator Pedal Position Sensor Replacement
Air Cleaner Assembly Replacement
Air Cleaner Element Replacement
Boost Sensor Replacement
Crankshaft Position Sensor Replacement
Engine Coolant Temperature Sensor Replacement
Engine Shutdown Solenoid Replacement
Fuel Feed Pipe and Return Pipe Purging
Fuel Filter Assembly Replacement
Fuel Filter Replacement
Fuel Heater Replacement
Fuel Injection Line Replacement
Fuel Injection Pump Replacement
Fuel Injector Replacement
Fuel Pump Replacement
Fuel Pump Replacement
Fuel Sender Assembly Replacement
Fuel Solenoid Driver Replacement
Fuel Tank Draining
Fuel Tank Replacement
Glow Plug Relay Replacement
Glow Plug Replacement - Bank 1
Glow Plug Replacement - Bank 2
Intake Air Temperature Sensor Replacement
Powertrain Control Module Programming
Powertrain Control Module Replacement
Wastegate Solenoid Replacement
Water in Fuel Indicator Sensor Replacement