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1.8L & 2.5L (EEC Systems)

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  1. Turn ignition off. Disconnect and plug vacuum line to EGR valve. Attach hand vacuum pump to EGR valve. Start engine. Warm to normal operating temperature.
  2. Allow engine to idle. Slowly apply vacuum to EGR valve. Engine should stumble or stall. If not, check for defective EGR valve, or blocked EGR passages.
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