Starts great then the blue smoke!!!!! - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 02-16-2011, 08:27 AM Thread Starter
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Starts great then the blue smoke!!!!!

2002 7.3 235,000 mi owned the truck since new great rig. All of the sudden when I went to start one morning it fired right up then in 2 sec ran rough and blue smoke for a while then clears up and runs as normal. It does this cold and if plugged in but worse when cold. Any thoughts.
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post #2 of 15 Old 02-18-2011, 11:40 AM Thread Starter
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Replaced CPS and relay checked glow plugs tested fine.. when warm runs perfect but let it sit a couple hrs and it will run rough with blue smoke until till warm again. Any thoughts!!!!
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post #3 of 15 Old 02-18-2011, 12:35 PM Thread Starter
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Could it be an injector o-ring just trying to get some help here guys.
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post #4 of 15 Old 02-22-2011, 10:50 AM Thread Starter
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Bump!!! Getting worse any help would be appreciated.
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post #5 of 15 Old 02-22-2011, 11:17 AM
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Originally Posted by THERIG View Post
Could it be an injector o-ring just trying to get some help here guys.
I think this is probably your issue. I think if your O-rings are bad, if you take your fuel filter out you should see oil in the bottom of the fuel bowl. But it depends on which O-ring is the bad one. Does it use more oil then normal?

Allen
1999.5 F-350 7.3, six-speed

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post #6 of 15 Old 02-22-2011, 11:37 AM Thread Starter
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Not that I know of and I dont see oil in the bowl.
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post #7 of 15 Old 02-22-2011, 11:49 AM
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Have you noticed it using more oil then normal?

Allen
1999.5 F-350 7.3, six-speed

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post #8 of 15 Old 02-22-2011, 12:01 PM Thread Starter
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Not that i know of.
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post #9 of 15 Old 02-22-2011, 12:02 PM
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Its probably just a little wore out. And when its cold the 7.3 will smoke a ton

Sr. Engineering Tech/OPS Technician @ Your local cable company.
1997 7.3L PSD
| 4" MBRP Exhaust | S&B CAI | Torque Converter Lock-Up Switch | Exhaust Brake | FPR Shim |DB High Torque Starter | 188,000 Miles | Xtreme Daily Tune | SOLD

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| 1.6 EcoBoost | 6-Speed Manual | The basics and some goodies |
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post #10 of 15 Old 02-22-2011, 12:10 PM Thread Starter
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Could be but this truck went from starting and running great every day to all of the sudden after startup one morning real rough and blue smoke for 5 min or so and then like a champ all day till next startup.
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