Engine Controls - 6.0L for GMC Truck GMC C Sierra - 2WD (CNG) 2001

All Visual Identification

• Engine Control Module Connector End Views
• Engine Controls Connector End Views

Cleaning, Inspection, and Adjustment

• Fuel Tank Cleaning
• Fuel Tank Inspection

Diagnostic Procedures

• Diagnostic Starting Point - Engine Controls

Diagnostic Trouble Codes

• DTC P0101
• DTC P0102
• DTC P0103
• DTC P0106
• DTC P0107
• DTC P0108
• DTC P0112
• DTC P0113
• DTC P0117
• DTC P0118
• DTC P0121
• DTC P0122
• DTC P0123
• DTC P0125
• DTC P0131 or P0151
• DTC P0132 or P0152
• DTC P0134 or P0154
• DTC P0135 or P0155
• DTC P0171
• DTC P0172
• DTC P0336
• DTC P0500
• DTC P0601

Electrical/Electronic Schematic Diagrams

• Engine Controls Schematics

Electrical/Electronic Specifications

• Compressed Natural Gas (CNG) Temperature Versus Percent Full
• Fuel Gage PWM Output
• Fuel Rail Pressure Sensor Output Voltage Versus Pressure
• Fuel Rail Temperature Sensor Output Voltage Versus Temperature Resistance
• Fuel Tank Pressure Sensor Output Voltage Versus Pressure
• Fuel Temperature Sensor Output Voltage Versus Temperature Resistance

Removal, Installation, and Replacement

• Alternative Fuels Engine Control Module Replacement
• Fill Valve Filter Replacement
• Fuel Hose/Pipe Replacement - Intermediate Pressure Regulator to Fuel Rail - Bank 1
• Fuel Hose/Pipe Replacement - Intermediate Pressure Regulator to Fuel Rail - Bank 2
• Fuel Hose/Pipes Replacement - Chassis
• Fuel Injection Fuel Rail Assembly Replacement
• Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement
• Fuel Injector Replacement
• Fuel Tank Bracket and Mounting Replacement
• Fuel Temperature Sensor Replacement
• Intermediate Pressure Regulator Replacement
• Low Pressure Lock-Off Solenoid Replacement