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'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

Thread: 500 miles post injector job madness Reply to Thread
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  Topic Review (Newest First)
11-01-2019 08:32 AM
twglace Update!

All fixed and running smooth I think I f##ked up a injector wires on one of the valve cover harnesses went and got a replacement and she’s running like a champ smooth as butter with no smoke or Lights !
10-30-2019 04:23 PM
klhansen
Quote:
Originally Posted by twglace View Post
Hey so I got my injectors back in and Iíve driven it about 5-8 miles but I have a check engine light... can this be caused by air in the injection system.
Not normally. You should check for codes. Could be a multitude of causes, since you had a bunch of stuff disconnected.
Air in the HP oil system is eliminated by taking it out and running the snot out of it for 20 minutes or so, including hard acceleration.
10-30-2019 12:26 PM
twglace
Quote:
Originally Posted by klhansen View Post
Quote:
Originally Posted by twglace View Post
Would a bad crush washer or cup cause the issues I was having ?
Sounds like you may have a cracked injector cup, possibly combined with an improperly torqued injector hold-down. White smoke could be coolant, especially on startup. Any sign of fuel floating in your coolant tank?

Clean the injector bores, then pressurize the coolant system to look for cracked cups.

I doubt the crush washer itself would be the problem, unless there was a serious gouge across it that prevented it from sealing.
Hey so I got my injectors back in and I’ve driven it about 5-8 miles but I have a check engine light... can this be caused by air in the injection system.
10-24-2019 10:56 AM
twglace Just an update the injector shop went over and tested all of my injectors for about 45 mins a piece. They did notice on the injector that was burnt up on the tip had a cracked crush washer so I’m guessing that was the whole issue. Have to clean my cup when I get home to make sure it’s not cracked
10-19-2019 06:51 PM
twglace
Quote:
Originally Posted by DENNY View Post
Yep when it rains it pours!! Good thing is you found the bad lugs in the shop not on the road. Been there done that!!
DENNY
Tell me about it if I was at a tire shop or something they would have had me by the balls.
10-19-2019 11:07 AM
DENNY Yep when it rains it pours!! Good thing is you found the bad lugs in the shop not on the road. Been there done that!!
DENNY
10-19-2019 10:04 AM
twglace
Quote:
Originally Posted by klhansen View Post
Quote:
Originally Posted by twglace View Post
Would a bad crush washer or cup cause the issues I was having ?
Sounds like you may have a cracked injector cup, possibly combined with an improperly torqued injector hold-down. White smoke could be coolant, especially on startup. Any sign of fuel floating in your coolant tank?
.

Clean the injector bores, then pressurize the coolant system to look for cracked cups.

I doubt the crush washer itself would be the problem, unless there was a serious gouge across it that prevented it from sealing.
Just checked the coolant doesn’t have any fuel I can’t smell a hint of diesel. So I guess that’s good
10-19-2019 09:51 AM
twglace Of course in the middle of all of this I traded my after market wheels/ spacers for 04 wheel and upon taking off the spacers I have 6 stripped lug studs on the front drivers side SMH.
10-19-2019 09:48 AM
twglace
Quote:
Originally Posted by klhansen View Post
Quote:
Originally Posted by twglace View Post
Would a bad crush washer or cup cause the issues I was having ?
Sounds like you may have a cracked injector cup, possibly combined with an improperly torqued injector hold-down. White smoke could be coolant, especially on startup. Any sign of fuel floating in your coolant tank?

Clean the injector bores, then pressurize the coolant system to look for cracked cups.

I doubt the crush washer itself would be the problem, unless there was a serious gouge across it that prevented it from sealing.
The crush washer actually did have a bad gouge like to the point if you run your finger across is it would probably cut you. but I’m definitely going to check the cup and the coolant for fuel my buddy who checked it out said he couldn’t smell coolant at all in the smoke just raw fuel.
10-18-2019 02:52 PM
klhansen
Quote:
Originally Posted by twglace View Post
Would a bad crush washer or cup cause the issues I was having ?
Sounds like you may have a cracked injector cup, possibly combined with an improperly torqued injector hold-down. White smoke could be coolant, especially on startup. Any sign of fuel floating in your coolant tank?

Clean the injector bores, then pressurize the coolant system to look for cracked cups.

I doubt the crush washer itself would be the problem, unless there was a serious gouge across it that prevented it from sealing.
10-18-2019 12:24 PM
twglace
Quote:
Originally Posted by klhansen View Post
Quote:
Originally Posted by twglace View Post
I would really like to know what Klhansen has to say tho.
Been following your thread. I think you've found the issue. Rebuilt injectors are sometimes a pig in a poke, even from reputable shops. Been there, done that.
Would a bad crush washer or cup cause the issues I was having ?
10-18-2019 11:18 AM
twglace
Quote:
Originally Posted by DENNY View Post
Check the cup closely. Kind of a pain to have to pull them but pretty easy once you do it a time or 2.
DENNY
Will do, thanks.
10-18-2019 10:49 AM
DENNY Check the cup closely. Kind of a pain to have to pull them but pretty easy once you do it a time or 2.
DENNY
10-18-2019 06:47 AM
twglace Looks like the crush washer was loose or something.
10-18-2019 06:46 AM
twglace
Quote:
Originally Posted by klhansen View Post
Quote:
Originally Posted by twglace View Post
I would really like to know what Klhansen has to say tho.
Been following your thread. I think you've found the issue. Rebuilt injectors are sometimes a pig in a poke, even from reputable shops. Been there, done that.
Pulled them last night found the bad one
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