1990 GMC Light Duty Truck Fuel and Emissions Service Manual

1/2, 3/4 & 1 ton Trucks and Vans | C1500, C2500, C3500, K1500, K2500, K3500, R1500, R2500, R3500, V1500, V2500, V3500 | Sierra, High Sierra, Sierra Classic | Suburban | Full Size Jimmy | S-15 Truck & Jimmy | G1500, G2500, G3500, Rally Van, Vandura, Magnavan | Safari Van | P30/P3500 Motorhome Chassis, PG Cutaway Chassis

*Fuel Injected Gas Engines Only - see contents below | General Motors Corporation

This is the Official Manual that the dealers and shops use. This manual includes general description of a system, diagnosis and on-vehicle service procedures for the fuel control and emissions used on light duty truck with a throttle body injection fuel control system. A must for anyone who insists on Genuine OEM quality parts.
Approx. 250 pages.

Condition

Good condition. Covers show wear. All pages are in place and straight. Page surfaces are mostly clean.

Table of Contents

• Drivability Symptoms
• Computer Command Control
• Fuel Control
• Evaporative Emission Control
• Ignition System/EST
• Electronic Spark Control
• Air Management
• Exhaust Gas Recirculation
• Transmission Controls
• Positive Crankcase Ventilation
• Thermostatic Air Cleaner
• Special Tools and Specifications