7.3 PSD black smoke no power - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 29 (permalink) Old 09-15-2010, 12:56 AM Thread Starter
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7.3 PSD black smoke no power

My friend just got his truck back together he did studs and gaskets. Hes got 100hp injectors exhaust and intake. The truck takes a while to build oil pressure then it finally fires off and has a loud knock on the drivers side. when you hit the gas it smokes like mad, more then it ever did. Could it be the ICP? the truck sat for a few months.
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post #2 of 29 (permalink) Old 09-15-2010, 01:36 AM
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Re: 7.3 PSD black smoke no power

Did he do the injectors at the same time? If so it takes a while to bled the air out of the HPO system, like a few WOT passes on the hiway.Sitting for a few months shouldnt be a problem unless he has a leak somewhere, o-rings etc.

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Originally Posted by !!!PainTrain!!! View Post
I'm not saying the 7.3 is god's gift to diesel either. But atleast when a CPS goes out you can change it on the side of the road. I don't know about you but I'm running out of places in my glove box to store injectors, head studs, new heads, up pipes, fuel pumps, ficms, and a lift to remove the cab.
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post #3 of 29 (permalink) Old 09-15-2010, 01:44 AM
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Re: 7.3 PSD black smoke no power

he didnt take anybodys newby advice and put a plastic bag over the intake for more smoke did he?

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post #4 of 29 (permalink) Old 09-15-2010, 02:07 AM Thread Starter
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Re: 7.3 PSD black smoke no power

The injectors were in the truck and ran good before doin the hg and studs. Now it's hard to start and doesn't make power as if it has no boost. If your on the gas it smokes like there is an intercooler hose disconnected. We drove it around for a few mins wide open a bit and all it did was smoke. It also takes aminute to build oil pressure then it fires. Any help is appreciated!
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post #5 of 29 (permalink) Old 09-15-2010, 02:14 AM
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Re: 7.3 PSD black smoke no power

there is a air pocket in the hpo... i had to let mine idol for 3 hrs then took it for a long drive...

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post #6 of 29 (permalink) Old 09-15-2010, 02:29 AM Thread Starter
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Re: 7.3 PSD black smoke no power

Ok, btw there are no codes either. It ran like dog #### when we did injectors but it cleaned up after a quick ride. We will let it run a while thanks!
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post #7 of 29 (permalink) Old 09-15-2010, 04:32 AM Thread Starter
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Re: 7.3 PSD black smoke no power

Let it run about 1 and a half hrs and drove it about 5 miles still no power programed back to stock no improvement and back to original setting still no improvement
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post #8 of 29 (permalink) Old 09-15-2010, 04:41 AM
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Re: 7.3 PSD black smoke no power

What are all the mods done to the truck...?

And how big are 100hp injectors?

Last but not least, whos tunes?

Modded L99

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post #9 of 29 (permalink) Old 09-15-2010, 05:10 AM Thread Starter
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Re: 7.3 PSD black smoke no power

4 inch turbo back exhaust, afe cold air intake, super chips programer and diesel care nozzles what they call 100 hp
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post #10 of 29 (permalink) Old 09-15-2010, 05:12 AM
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Re: 7.3 PSD black smoke no power

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Originally Posted by Gasoline Sucks View Post
4 inch turbo back exhaust, afe cold air intake, super chips programer and diesel care nozzles what they call 100 hp
So stock injectors with 100% nozzles.

If im right 100% nozzles are going to flow twice as fast, very little atomization with 140cc of fuel. Along with a stock turbo and canned tunes. I would assume it's bound to be a bit smokey.

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