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Home >> Mazda >> 1994 >> B2300 Base, 2D Pickup, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (EGR Function Testing - MAZDA) >> EGR Function Testing - MAZDA >> Test 2 >> Rotary Engine

Rotary Engine

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Check vacuum hose routing. Disconnect EGR valve hose. Connect vacuum pump to EGR valve. Idle engine and apply 15 in. Hg. EGR valve stem/diaphragm should move and engine speed should drop at least 100 RPM or engine should stall.

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