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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 952 (5.7L CNG - DTCS P0606 To P2123 - 2500 Hd) >> Diagnosis And Testing >> P1198-Fuel Injector Power Relay Control Circuit Performance >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) monitors the Gasoline Fuel Injector Relay for a stuck open or stuck closed condition; STUCK OPEN  - The stuck open condition is monitor with the engine running in CNG fuel mode, gasoline fuel mode requested (gasoline relay commanded closed). STUCK CLOSED  - The stuck closed condition is monitored with the engine running and fuel switch requested from gasoline fuel mode to CNG fuel mode (gasoline relay commanded open).

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