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P0261 Diagnostic Trouble Code Discussion for September 2011

Fuel Injector 1 Circuit Low

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Trouble Ticket Help Requests for DTC P0261
Help Request Posted
2003 Ford F-450 Super Duty XL 6.0L No Start VIN: 1FDXF46P93
P0261: Cylinder 1 Injector Circuit Low. I have a strange one here. Thought it was a normal 6.0 no start. I have 150 PSI of high oil pressure, but my IPR is at 0%. I can command my IPR to 90% and it builds 4000psi but still doesnt start. I dont know where to start on this. Anyone ever run into a prob...
September 07, 2011
2003 Ford F-250 Super Duty XLT 6.0L Excessive Emissions, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTNX2TP63
P0261: Cylinder 1 Injector Circuit Low. Vehicle misses out, found codes for number 1 clynder. When cold runs real bad, after warms up still misses out and low power. I am not a diesel mechanic and am at a loss other then to keep performing diag. Any help on this monster would be great ... Thanks
September 12, 2011
2006 Ford E-350 Super Duty 6.0L MIL Lamp on VIN: 1FDWE35P66
P0261: Cylinder 1 Injector Circuit Low. ... with p0261 checked injector circuit.ohms .8 ohms ok both high and low circuits.replaced injector#1 problem still there.did injector balance test and found #3 and #5 very weak.guessing at ficm but very expensive guess.any ideas welcome
September 26, 2011