LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
GMC
>>
1987
>>
Caballero Base, 5.0 H, 700R4/MD8
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Air Injection System
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Air Injection System
Expand All (for easy ctrl-f)
Collapse All
Description
Operation
Air Pump
Deceleration Valve
Diverter Valve
Check Valve
Electric Air Control Valve
Electric Air Switching Valve
Electric Divert/Electric Air Switching Valve (EDES)
Pressure Operated Electric Air Control/Electric Air Switching Valve (PEDES)
Component Testing
Notes
Check Valve
Air Pump
Deceleration Valve
Trouble Shooting
Exhaust Backfire
Poor Gas Mileage
Excessive Exhaust Emissions