P1726 - Insufficient Engine Speed Decrease During Self-Test
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Ford RV Cutaway, 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
P1726 - INSUFFICIENT ENGINE SPEED DECREASE DURING SELF-TEST
| Description: | ||||
| Possible Causes: | ||||
| Diagnostic Aids: | The system voltage is out of self-test range. Repeat the self-test. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | If the Glow Plug Monitor Self-Test aborts and this DTC is present, repeat the Glow Plug Monitor Self-Test. | |||