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Old 02-05-2011, 07:51 AM
DPW DPW is offline
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No cylinder out put

2003 F550 6.0L 1,3,5,7 little to no change in rpm at 1100
cylinders 2,4,6,8 rpm change about 200 rpm at 1100
fuel 51 psi no codes hard start and restart no power
could it be Ficm or injectors need help
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Old 02-05-2011, 09:36 AM
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check your crossover wireing harness to the passengerside bank for chafes/loose connections also the plugin for that harness to the FICM
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Old 02-06-2011, 06:17 AM
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Check for combustion gas getting into fuel rail. If you're getting combustion bubbles in fuel then remove glow plugs 1 by 1 until bubbles stop then you have your problem injector.
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Old 02-06-2011, 06:25 AM
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Either way, it looks like the OP is going to end having to replace injectors 1, 3, 5 and 7 anyways. That's what will be necessary if there is compression gases leaking through even only one of the cylinders on that bank.
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