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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 765 (Engine Controls - Powertrain DTC Charts & Description (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P1271: Cylinder 1 High to Low Side Open

DTC P1271: Cylinder 1 High to Low Side Open

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. 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 fault is detected by the fuel injector control module (FICM) in the secondary (rearward) fuel injector circuit.
Possible Causes: 
  • Injector circuit is shorted to VPWR
  • Damaged fuel injector
  • Damaged FICM
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to HL: Dual-Injection Fuel Delivery System STEP HL8.
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