240sx help rough idle + white smoke

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xwyatt
Posts: 1
Joined: Mon Sep 02, 2013 8:59 pm
Car: 240sx s13 ka24de

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I just bought my first 240sx after wanting one for quite some time. it is a 1993 s13 hatch with a ka24de with coils,exhausts and CaI.

the night i drove it home i noticed that after it was warm it seemed to blow some white and was running very rich( could of been blue )smoke out of the exhaust after i would idle at a light or stop sign. it seemed to only do this from first gear. Today i took out all the injectors and replaced the gaskets and o rings and put in 2 used but good condition fuel injectors. Now i am constantly blowing out white(blueish) smoke and im running rich. I dont see any water in my oil or any oil in my water. I replaced my spark plugs and i connected an unconnected vac line behind 4th piston above transmission. I am having difficulty finding out what the problem is. I personally think it is something fuel related but i would like to hear your opinions since im a newb still about 240s! :) appreciate it a lot!! thank you!

*EDIT my idle is going crazy too.. motor is shaking.. shifter is doing the harlem shake as well..


User avatar
asoomal
Posts: 2374
Joined: Tue Feb 26, 2008 4:45 pm
Car: 2001 Subaru Impreza L 5MT (Daily)
1992 Nissan 240SX SE 5MT w/HICAS (Being restored)
Location: Canada

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Do a compression test on all four cylinders.


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