DTC P1271: Cylinder 1 High To Low Side Open
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1271 - CYLINDER 1 HIGH TO LOW SIDE OPEN
| Description: | This DTC is set when a concern is detected by the fuel injector interface module in the secondary (rearward) fuel injector circuit. | ||
| Possible Causes: |
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| Diagnostic Aids : | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HL . | ||