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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (5.7L CNG - DTCS P060B To P2128 - 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 2013 RAM 2500 HD and 2012 RAM Pickup. 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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