2000 7.3 crazy white smoke after injector change, no boost - Ford Powerstroke Diesel Forum
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Old 04-29-2014, 12:57 PM
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2000 7.3 crazy white smoke after injector change, no boost

My old man bought a 2000 f250 at an auction a few weeks back. It didn't start, so he got it for a fairly good deal, or so he thinks. Whenever he plugged it in, it would start, but if it was 70 degrees out and wasn't plugged in, no start.

I replaced all 8 glow plugs, the glow plug relay, the under valve harnesses and 2 injectors that were bad. The air filter was black and completely clogged so I changed that too.I went to change the fuel filter and when I drained the fuel bowl, what came out was clear all the way through and smelt like alcohol, not diesel. Now the truck will start and die within like 5 seconds. Sometimes it will start up great, but it continuously DUMPS white/grey smoke while idling and driving. Builds a max of 3psi boost, and won't accelerate past 50-55 mph.

Not sure if it's a turbo issue, I may be wrong so correct me if I am, but I believe a bad or leaking turbo can cause the white smoke. Maybe I messed something up when I work on it, not sure.

I cleaned his EBP sensor and tube, seemed to help a little but not much. ICP sensor had oil in it, could this be an issue?

I did put it down to the station and filled it with diesel and a fuel additive to get diesel back through it instead of whatever the previous owner was using.

Any ideas or suggestions would be great, I did what I could do, but without access to a scanner to pull codes, I'm at a loss.
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Old 04-29-2014, 01:06 PM
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If the ICP sensor had oil in it the sensor is done. Might need a new pigtail to if it got oil in it. Unplug the ICP and see if that helps. Unplugging it just sends it into default parameters and won't hurt anything.
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Old 04-29-2014, 01:13 PM
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Replace the icp and icp pigtail and then get a blue Tooth obd2 connector and the torque app for an android phone. Then you will have a $20 scanner. But it takes a while to get the adapter in.
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Old 04-30-2014, 05:34 AM
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If u can get to 50mph anyway you should be getting more then 3 psi, does it have gauges or what? Could either be a faulty gauge or line to gauge, but sounds like a boost leak. Check inter cooler boots, inter cooler, and such, go over the whole system or get a boost leak tool to see if it holds pressure. Does it idle fine? Check engine light on? Even though your icp may be bad, may not throw a code unless unplugged.
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Old 04-30-2014, 06:20 AM
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It has gauges, they were installed by the previous owner so I suppose they could be wrong. It idles great, just dumps white/grey smoke out while idling, and when driving it. No check engine light, but I'm sure there's some codes. Unplugged the ICP(which did throw a code) and idle doesn't change at all, but I'm still going to replace it.
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Old 04-30-2014, 06:58 AM
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Are you sure the two injectors you replaced were the only bad ones?
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Old 04-30-2014, 12:53 PM
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When I pulled off the valve covers, those were the only two that made the truck stubble when unplugged. After I replaced them, I one by one tested all 8 again, and each one made the truck stumble, to me showing they were all working injectors.
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Old 05-01-2014, 05:10 PM
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Could it have been water that came out of the the drain bowl?
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Old 05-01-2014, 08:14 PM
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it was for sure clear enough to have been water, but it smelt like straight alcohol. I know you can run all sorts of alternative fuels in these trucks but I have no clue what it was, or if it could cause other fuel related components to fail
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Old 05-02-2014, 12:08 PM
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My bet is #1 diesel av fuel.
What is your location?
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