LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1271: Cylinder 1 High To Low Side Open

DTC P1271: Cylinder 1 High To Low Side Open

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: 
  • Injector circuit is shorted to VPWR
  • Damaged fuel injector
  • Damaged fuel injector interface module
Diagnostic Aids  :
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HL .