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Home >> Pontiac >> 1982 >> T1000 2D Hatchback, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Auxiliary Emission Control Systems >> Pulse Air Injection Reactor >> Testing >> Functional Test

Functional Test

Connect a hand vacuum pump or other vacuum source to rubber hose end of pulse air valve. With 15 in. Hg vacuum, there will be an allowable drop to 5 in. Hg vacuum in 2 seconds. If vacuum drops in less than 2 seconds, replace valve and/or hose.

Fig 1: Pulse Air Valve Mounting Location Shown
G09316077Courtesy of GENERAL MOTORS COMPANY
NOTE: Also see General Motors Computer Command Control in this section.
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