Excessive Smoke, Blown Turbo? - Ford Powerstroke Diesel Forum
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Old 11-22-2013, 12:57 PM
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Excessive Smoke, Blown Turbo?

Hey guys, been to this forum quite a few times but never had to make a post, the info here is always so great!

Anyways, I have serious issue I'm trying to troubleshoot, my 97 powerstroke is blowing an unbelievable amount of smoke at idle (definately a dark grey, not blue). At WOT it will blow black and very quickly blind everyone and everything on or near the road. Since I have my other truck (a 98.5 powerstroke lol) I've parked it for now. Started doing this instantly on a regular acceleration (medium load) after warm up, from a dead stop at normal idle.

(Almost 300K miles on this one) Thats what its doing, and this what I know at the moment, its only throwing one trouble code ( P0603 keep alive memory error, assuming its not a big deal because my 98.5 does this too and never had an issue while this code is up on either truck.). Some of the fins on the turbo are chipped and the edges of said fins are shiny, but there doesn't seem to be any play when I spin/wiggle it. There was oil in the inlet side but I think this is normal (?) as it wasn't really an excessive amount. Checked the wiring plugs for the injectors (outside of covers), fuses ect (all the easy stuff), and didn't find any issues. Returned truck to stock immediately when it started doing this, and removed tuner, this didn't change anything, so I plugged it back in (left it stock).

Both of these trucks have the same build (nothing serious yet), Both have the evolution tuner from edge, and a K&N filter. The 97 recently had its injectors replaced and the tranny rebuilt. Off-hand I'm assuming one of three things, but need help on what it might be before I really dig into the truck, 1) turbo went out, 2) bad injector(s), 3) wiring under cover came loose ect. Am I on the right track or could it be more simple than this? If so whats a good way to diagnose the turbo?

Last edited by ReadOrDie_WoW; 11-22-2013 at 01:02 PM.
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Old 11-22-2013, 01:13 PM
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You're not getting enough air, so i'd also check for exhaust leaks or intake leaks that are not allowing the turbo to spool and keep up.
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