7.3 smoking problem...Any Ideas??? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 26 (permalink) Old 09-28-2012, 06:05 AM Thread Starter
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7.3 smoking problem...Any Ideas???

I'm having a problem with a 01 f350 7.3....when I first picked up the truck it was smoking whitish and smelled liked fuel and I ran the codes on the PCM and 3 injectors were bad...I replaced the 3 injectors and all 8 injectors injector seals....the truck ran idled drove fine without any smoking at all besides black smoke at wot.....I drove the truck for a day or 2 then came to a stop light and it was smoking pretty heavy and smelled like fuel....anyone think they can help me out I'm kind of stuck and put of ideas....maybe a glow plugs or something?
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post #2 of 26 (permalink) Old 09-28-2012, 06:11 AM
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Re: 7.3 smoking problem...Any Ideas???

I would check your IDM. I worked on a 99 not long ago that had the same problem and turned out the idm was bad. Replaced it and the problem was cured

1997 F350 Reg cab-Powerstroke 5 Spd 135k miles ts 6 pos chip diy k&n intake 4 inch exhaust autometer gs series pyro & boost gauges-SOLD

2001 F350 Reg cab- 7.3 powerstroke 157k miles Wicked Wheel 6 pos chip Full ATS transmission and 5 star converter 5" exhaust DIY traction bars ISSPRO gauges pyro boost and trans temp
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post #3 of 26 (permalink) Old 09-28-2012, 06:15 AM Thread Starter
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Re: 7.3 smoking problem...Any Ideas???

Wow really? That's crazy lol. I would have never thought of that...thanks man. Any other opinions?
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post #4 of 26 (permalink) Old 09-28-2012, 06:20 AM
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Re: 7.3 smoking problem...Any Ideas???

I personally wouldnt think it would be glow plugs cause if you had a problem there then it would have problems starting and you would for sure notice that. IDM would be my best suggestion i got

1997 F350 Reg cab-Powerstroke 5 Spd 135k miles ts 6 pos chip diy k&n intake 4 inch exhaust autometer gs series pyro & boost gauges-SOLD

2001 F350 Reg cab- 7.3 powerstroke 157k miles Wicked Wheel 6 pos chip Full ATS transmission and 5 star converter 5" exhaust DIY traction bars ISSPRO gauges pyro boost and trans temp
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post #5 of 26 (permalink) Old 09-28-2012, 06:32 AM Thread Starter
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Re: 7.3 smoking problem...Any Ideas???

There's is a lil starting problem. It takes a good 4-5 seconds to start while cranking
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post #6 of 26 (permalink) Old 09-28-2012, 06:35 AM
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Re: 7.3 smoking problem...Any Ideas???

Does it only smoke when you first start it or is it smoking even after it warms up?

1997 F350 Reg cab-Powerstroke 5 Spd 135k miles ts 6 pos chip diy k&n intake 4 inch exhaust autometer gs series pyro & boost gauges-SOLD

2001 F350 Reg cab- 7.3 powerstroke 157k miles Wicked Wheel 6 pos chip Full ATS transmission and 5 star converter 5" exhaust DIY traction bars ISSPRO gauges pyro boost and trans temp
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post #7 of 26 (permalink) Old 09-28-2012, 06:40 AM Thread Starter
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Re: 7.3 smoking problem...Any Ideas???

Smokes on start up and the smoking dies down a little bit after warm up
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post #8 of 26 (permalink) Old 09-28-2012, 06:45 AM
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Re: 7.3 smoking problem...Any Ideas???

Might be more than one problem, but your glow plug relay could be going bad. Id test it first to see if thats causing the long start period and if its working then I would check the glow plug/injector harness under the valve cover. They are known for burning up, had that happen to my 97 but if its good also then its probably a safe bet it needs glow plugs. As for the smoke after warm up that could be the IDM causing that problem

1997 F350 Reg cab-Powerstroke 5 Spd 135k miles ts 6 pos chip diy k&n intake 4 inch exhaust autometer gs series pyro & boost gauges-SOLD

2001 F350 Reg cab- 7.3 powerstroke 157k miles Wicked Wheel 6 pos chip Full ATS transmission and 5 star converter 5" exhaust DIY traction bars ISSPRO gauges pyro boost and trans temp
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post #9 of 26 (permalink) Old 09-28-2012, 06:54 AM Thread Starter
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Re: 7.3 smoking problem...Any Ideas???

I changed both valve cover gaskets and both injector harnesses when I changed the injectors and I've changed both glow plug relays....I was told the glow plugs were changed prior to me buying the truck....I've also read that maybe a glow plugs is broken and that can cause it to smoke....
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post #10 of 26 (permalink) Old 09-28-2012, 06:57 AM
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Re: 7.3 smoking problem...Any Ideas???

It is very possible. All you can do really is pull them out and check them. Sorry I couldnt be of more help to ya

1997 F350 Reg cab-Powerstroke 5 Spd 135k miles ts 6 pos chip diy k&n intake 4 inch exhaust autometer gs series pyro & boost gauges-SOLD

2001 F350 Reg cab- 7.3 powerstroke 157k miles Wicked Wheel 6 pos chip Full ATS transmission and 5 star converter 5" exhaust DIY traction bars ISSPRO gauges pyro boost and trans temp
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