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Home >> Chevrolet >> 1987 >> Corsica 2.8 W, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing >> Component Testing >> Integrated Electronic EGR Valve
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Integrated Electronic EGR Valve

  1. With ignition off, connect vacuum gauge to EGR valve. EGR valve should not move. If EGR valve moves, ensure vent filter is unrestricted and replace EGR valve (if necessary).
  2. Turn ignition on and repeat step 1). When applying vacuum, EGR valve should not move. If EGR valve moves, a fault exists in ECM or electrical circuits. If additional testing is required, see appropriate COMPONENT TESTING article in the EMISSION section.
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