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Home >> Chevrolet >> 1992 >> Caprice Classic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.3L TBI >> Pcm/BCM Code Charts >> Code 32, EGR System Error (3 Of 3) >> Test Number 6)

Test Number 6)

Remaining tests check ability of EGR valve to interact with exhaust system. This system uses a negative backpressure EGR valve which will hold vacuum with engine off.

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