rough run on cold start(and smoke) - Ford Powerstroke Diesel Forum
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Old 03-25-2012, 07:52 AM Rookie

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rough run on cold start(and smoke)

hi, im new to diesels and just got my 06 6.0l. i have had it for about 2 months, it has arp studs, exhaust, egr delete, and sct programmer. when i bought it, it would run rough for a few seconds puff some smoke then clear out and run perfectly fine.
i did a power balance on a cold start found #1,7, and 6 to be at fault. replaced those injectors, pulled out 3 and 5 while doing tht side they were new. so i replaced the orings and put them back in. truck now in the morning runs rough for only 2-3 seconds but puffs a little back smoke followed by whiteish blueish smoke.
my question is this normal? or could it be related to the programmer? any ideas would be helpful. thanks
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Old 03-25-2012, 10:30 PM
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Sounds like a bad FICM need gauges like the Edge CTS or the ScanGaugeII a must have with a 6L or the bill may get bigger. Need to check deltas ECT-EOT max 15* more than 15* your oil cooler is plugged also need a coolant filter to remove the casting sand that helps plug the cooler.
Need to check your batteries weak or bad batteries will kill the FICM the price of a new one $1100 or get yours repaired here FICM - Your Source for FICM Repair
Info here http://www.fordtechservice.dealercon...FICM_Guide.pdf
and here
Testing the FICM
2 stroker
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Old 05-04-2012, 12:58 PM

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Mine always puffs a little bit. As long as it isn't a lot and for a long time, I think you are ok. I agree that you should get gauges. They are absolutely crucial.
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