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P1127 Diagnostic Trouble Code Discussion for January 2006

ETCS Actuator Power Source Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1127
Help Request Posted
1999 Ford F-150 5.4L Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
P1127: HO2s downstream KOER TEST. NEW ENGINE was installed about 150,000 miles by someone else, brought to us with this problem. Component Parameters flow test failed, fuel tank pressure test failed, downstream hose disconnected failed.
January 02, 2006
1999 Ford F-150 5.4L Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
P1127: HO2s downstream KOER TEST. NEW ENGINE was installed about 150,000 miles by someone else, brought to us with this problem. Component Parameters flow test failed, fuel tank pressure test failed, downstream hose disconnected failed.
January 03, 2006
1999 Ford F-150 5.4L Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
P1127: HO2s downstream KOER TEST. NEW ENGINE was installed about 150,000 miles by someone else, brought to us with this problem. Component Parameters flow test failed, fuel tank pressure test failed, downstream hose disconnected failed.
January 02, 2006
1999 Ford F-150 5.4L Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
P1127: HO2s downstream KOER TEST. NEW ENGINE was installed about 150,000 miles by someone else, brought to us with this problem. Component Parameters flow test failed, fuel tank pressure test failed, downstream hose disconnected failed.
January 03, 2006