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Mitsubishi 3000GT help

289 messages,  Last post on Nov 01, 2009 at 3:30 PM

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What is this discussion about? Mitsubishi 3000GT


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#280 of 289
help by firestoner
Sep 30, 2009 (5:42 pm)
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I have a 1991 mitsubishi 3000GT well i just started noticing white smoke coming out of the tail pipes when i take off . We checked the plugs they look good and the car runs real good. what are some different possibilities for the white smoke?
#281 of 289
Re: help [firestoner] by kiawah
Sep 30, 2009 (6:34 pm)
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Replying to: firestoner (Sep 30, 2009 5:42 pm)

Blown head gasket. Water from the coolant, is getting into the cylinder, the heat is creating steam, and it is being shot out the exhaust. You'll find your coolant level down.
 
Get it checked out and fixed fast, before the coolant ruins the engine.
#282 of 289
help firestoner by firestoner
Sep 30, 2009 (7:51 pm)
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smoke is oil smoke. problem is intermittent.one minute bad, next minute nothing.
#283 of 289
Re: help firestoner [firestoner] by kiawah
Sep 30, 2009 (8:02 pm)
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Replying to: firestoner (Sep 30, 2009 7:51 pm)

Oil smoke would be black/blue. Puff when first started is usually valve seals. Continuous smoke is usually rings.
 
White smoke is coolant.
 
Confirm your color smoke, and address as appropriate
#284 of 289
help by firestoner
Sep 30, 2009 (9:12 pm)
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I cant believe a car can run so good with a blown head gasket dont overheat and there is no water in the oil. Strange but OK Thank you for pointing me in the right direction
#285 of 289
Re: help [firestoner] by Mr_Shiftright HOST
Oct 01, 2009 (7:39 am)
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Replying to: firestoner (Sep 30, 2009 9:12 pm)

You can pressurize the cooling system with a pump, and then, while still under pressure, remove the spark plugs and look for coolant on them--or as burdawg suggested, run a pipe cleaner into the hole and see if coolant appears. Then you KNOW for sure.
 
White smoke (like steam) is definitely a head gasket problem. There doesn't have to be water in your oil. There can also be oil in the radiator, or nothing at all (since the leak isn't bad enough yet and it's all burned up).
 
If the smoke is BLUE, this is probably oil burning, either from valve stem seals, valve guides, or internal engine wear (rings).
 
If the smoke is BLACK, this is an over-rich mixture, and has many causes but all related to fuel delivery and ignition, and more easily correctable than the other two situations.
#286 of 289
need info on body parts by shaag
Oct 19, 2009 (3:58 pm)
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will the front clip off a 95 3000gt sl fit my 92 vr4 i know it has pop up lights but it looks realy close shy of a hole for the 95 headlights could i drill hole and use the hole clip please need some help thank you
#287 of 289
1992 3000gt wot start help!!!! by crissy46526
Oct 31, 2009 (5:21 pm)
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I have a 1992 mitsubishi 3000 gt. It will not stat. I have changed the ignition coil and the modular. But i still cant get any power to my spark plugs. any ideas? thanks. crystal.
#288 of 289
Re: 1992 3000gt wot start help!!!! [crissy46526] by kiawah
Nov 01, 2009 (5:03 am)
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Replying to: crissy46526 (Oct 31, 2009 5:21 pm)

is there a security system?
#289 of 289
Re: 1992 3000gt wot start help!!!! [kiawah] by kenos
Nov 01, 2009 (3:30 pm)
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Replying to: kiawah (Nov 01, 2009 5:03 am)

You might need a new computer.

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