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-   Ford Powerstroke 94-98 7.3L (https://www.dieselbombers.com/ford-powerstroke-94-98-7-3l/)
-   -   Why does my truck have a huge sputter/misfire in Neutral (?) at like 2800 rpms? (https://www.dieselbombers.com/ford-powerstroke-94-98-7-3l/82384-why-does-my-truck-have-huge-sputter-misfire-neutral-like-2800-rpms.html)

fordornothing 09-08-2011 05:39 PM

when you romp on it are you driving or are you parked?

85_305 09-08-2011 07:02 PM

I romp on it every single time I drive it to clean it out and keep it running good

fordornothing 09-08-2011 07:10 PM

ok. when you romp on it i'm guessing it down shifts. my 96 would do it and it was almost stock. just intake and exhaust. if it's black i wouldn't be to concerned about it.

85_305 09-08-2011 07:11 PM

Oh shoot let me re-write that! When I romp on the truck and it puffs black smoke, it's in neutral! NOT in drive! Sorry I messed that one up

fordornothing 09-08-2011 07:36 PM

either way, it opens up the injectors and it can't burn all the fuel so it puts out black smoke. it's just unburnt fuel.

89_7.3idi 09-08-2011 09:44 PM

My 96 does the exact same thing and even started leeking oil from some were really bad since. like thew hole bottom of my truck is oiled from driving with the leek

fordornothing 09-10-2011 05:52 PM

89 7.3idi- check this. on the passenger side of the engine oil pan there is a big brass nut where the dipstick tube goes into the pan. those love to loosen up on the OBS. my 94 & 96, and moms 97 would leak there all the time. if that's not it, check your VC bolts. sometimes those get loose and leak a little bit. or the o- rings on your turbo pedistol could be leaking. but VC and pedistol o- rings shouldn't leak the much unless they're shot. i'd say your best bet is the dip stick tube.

85_305 09-11-2011 05:26 PM


Originally Posted by fordornothing (Post 796301)
either way, it opens up the injectors and it can't burn all the fuel so it puts out black smoke. it's just unburnt fuel.

Icic so dont worry about it? because I dont remember the truck ever doing this previously, but if you say it's ok I'll stop worrying about it.


Originally Posted by 89_7.3idi (Post 796359)
My 96 does the exact same thing and even started leeking oil from some were really bad since. like thew hole bottom of my truck is oiled from driving with the leek

Ya thats odd because I've noticed a small oil leak forming on my driveway too... it's very irritating because the truck never leaked anything prior to this.

fordornothing 09-12-2011 07:17 PM

well it's probably not good wrapping your engine out when you're in nuetral. but i wouldn't worry about it to much. but i'd check you dip stick tube on the pan.

85_305 09-12-2011 07:20 PM

There's nothing wrong with revving in neutral; gotta love a governor ;)

But I appreciate the input and help man :tu:


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