Stumbles pops and white smoke - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 08-02-2009, 06:18 AM Thread Starter
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Stumbles pops and white smoke

Truck is a 97 F-250 with 175000 miles on it. It puffs a little white smoke at start up, but then it clears up within a few minutes. It smells like it is running real rich to me.

If you rev it in neutral, it comes right up to about 2500 rpm with no problem, but if you floor it from there, all hell breaks loose. It starts sputtering and popping like a gas motor does when it is out of time.

I am thinking it may be injectors, but I am curious if anyone else has had this problem, and if so, what was the cause.

I ran AE on it, and no codes, no check engine light.
Cylinder contribution passed with no faults
Buzz test passed but the solenoids sounded real weak to me compared to ones I have heard in the past.

Anyway, sorry for the long post, just looking for ideas.

Any advice is appreciated
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post #2 of 5 (permalink) Old 08-02-2009, 05:47 PM
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Re: Stumbles pops and white smoke

the white smoke at start up is normal, thats raw fuel. as for the others problems im unsure so someone else should be along to chime in.

02 f250
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post #3 of 5 (permalink) Old 08-02-2009, 06:51 PM
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Re: Stumbles pops and white smoke

i would say injectors. mine are shot. its runs ok until i gets past 2500 rpm then it just runs like poop

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ts 6 position chip,S&B intake,
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post #4 of 5 (permalink) Old 08-02-2009, 10:20 PM
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Re: Stumbles pops and white smoke

Check your fuel pressure first.

Dave

'08 F250 6.4/Torqshift Spartan 310EL, Flo-Pro 4", White_monster air intake, RCD 4-link, RS9000's 584/1330
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post #5 of 5 (permalink) Old 08-06-2009, 01:36 AM
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Re: Stumbles pops and white smoke

Quote:
Originally Posted by longlivepowerstrokes View Post
i would say injectors. mine are shot. its runs ok until i gets past 2500 rpm then it just runs like poop
its true, i see it almost everyday. dont let it get as bad as his truck. it makes me wanna cry seein it start a run

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