B1601 Diagnostic Trouble Code Discussion for August 2008
PATS Received Incorrect Key Code From Ignition Key Transponder
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| Help Request | Posted | |
| 2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPW14504 B1601: . ... spark plug replacement. #1 plug broke off, worked rest out. Removed plug with special tool and installed new plugs. Engine ran very rough with cylinders 1 & 7 having little or no output (not that way previously). Left bank with fuel trim of 45, right a... |
August 08, 2008 |
