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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Engine Controls - Theory & Operation - 3.3L CNG) >> Miscellaneous Controls >> CNG Fuel Shutoff Solenoid Relay

CNG Fuel Shutoff Solenoid Relay

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.

The CNG fuel shutoff solenoid relay is a cut-off relay for the following components.

When ignition switch is turned to RUN position, PCM energizes CNG fuel shutoff solenoid relay, which powers these components. If PCM does not receive a crankshaft signal shortly thereafter, PCM will de-energize CNG fuel shutoff solenoid relay, and power to these components is cut off.

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