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Jeep sputtering, missing, smoking from exhaust

Tiny
CHRISBL
  • MEMBER
  • JEEP CJ7
'83 Jeep CJ7 258 4.2L 6cylinder
New Carb, new Valve Cover, New Fuel Filter, New Plugs, New Plug Wires.

Problem:
Jeep sputters and blows a grey/white smoke out the exhaust which smells very strongly of gas.
I first thought that I may just have trash in my gas so I used Lucas fuel treatment more than usual and replaced the fuel filter. Seem to make it smoke worse. I thought that the smoke might be caused by a blown head gasket so I pulled pluggs and cranked the engine to see if water or any fluid blew out. Nothing. There is a major loss of power and it has a constant "sputter" that seems to be getting worse.

Any ideas?
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Monday, September 25th, 2006 AT 9:15 PM

10 Replies

Tiny
CHRISBL
  • MEMBER
  • 19 POSTS
Adjusting the carb doesn't seem to help the problem.
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Tuesday, September 26th, 2006 AT 10:14 PM
Tiny
DEMEARSJR
  • MECHANIC
  • 110 POSTS
Checked yor air filter to make sure it wasn't clogged?
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Sunday, October 1st, 2006 AT 10:07 PM
Tiny
CHRISBL
  • MEMBER
  • 19 POSTS
Brand new air filter.
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Sunday, October 1st, 2006 AT 10:10 PM
Tiny
DEMEARSJR
  • MECHANIC
  • 110 POSTS
White usually means moisture, but it could be condensation.
Try some dry gas and see if that helps.
If it doesn't e-mail me back.
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Sunday, October 1st, 2006 AT 10:57 PM
Tiny
CHRISBL
  • MEMBER
  • 19 POSTS
This isn't a small amount of smoke.I'm talking huge amounts of billowing smoke. :)

And I'm not sure what Dry Gas is. Could you elaborate?

Thanks for your help with this.
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Monday, October 2nd, 2006 AT 9:46 PM
Tiny
DEMEARSJR
  • MECHANIC
  • 110 POSTS
Dry gas is product to remove water from your tank.
It mostly consists of isopropyl alcohol.
Don't poor straight alcohol in your tank, it's a different grade.
Did you check under your oil cap or pull your dipstick to see if it's milky inside?
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Tuesday, October 3rd, 2006 AT 6:15 PM
Tiny
CHRISBL
  • MEMBER
  • 19 POSTS
Yeah. Checked for the milkly look, all looked well there. I'll try the dry gas and get back with you. Thanks!
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Tuesday, October 3rd, 2006 AT 6:18 PM
Tiny
DEMEARSJR
  • MECHANIC
  • 110 POSTS
Don't forfet to check your anti freeze as well.
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Tuesday, October 3rd, 2006 AT 6:43 PM
Tiny
BUBBA_KOSKI
  • MECHANIC
  • 129 POSTS
Antifreeze/ well white means steam, and steam is either water or antifreeze not no air filter, that will not cause smoke, c'mon. Look you got yourself some antifreeze in the tank if not the cylinders cause you said you checked, so check your tank drop it then pressure relief the fuel system.

_____________
ASE Certified
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9289
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Wednesday, October 4th, 2006 AT 5:42 PM
Tiny
RAGS729
  • MEMBER
  • 29 POSTS
Not quite sure what Bubba is referring to here, are you for real man, antifreeze in the tank, how would it have gotten there? Ive read more than one of your posts bubba, there is a reason you sell parts instead of woking on cars!

Any way chris, the best place to start is with a compression test this will give you an indication of what is going on. The headgasket can still be blown and not spit water out with the plugs removed, Ive seen them blow bad enough to fill a converter up with antifreeze, taljk about a lot of smoke!
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Sunday, October 22nd, 2006 AT 2:35 PM

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