B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Altitude Compensator: Testing and Inspection
High Altitude Compensation System (ACS)
1.
Disconnect each air hose from the carburetor.
2.
Check the high-altitude compensator by blowing through each hose. If the altitude is 500m (1640 ft) or higher, air should pass. At lower altitudes,
no air should pass.
