Need help fast with my s14

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Guys I was playing to be a mechanic
Trying to fix timing chain rattle
and now my 95 240sx starts and doenst keep the 700 rpm it starts to going up and down
and somethings it sutdown

SORRY FOR MY ENGLISH IS MY SECOND LANGUAGE
PLEASE HELP MEEEEEE

[pj]

you may have skipped a tooth, timing is probably off.
did you have it at top dead center when you began?

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Yes it was at TDC when I start doing it
I try to advance it with the distributor and nothing still the same

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How do I check for vacuum leaks maybe thats the problem

[pj]

i usually just go vacuum line by vacuum line, checking them one by one.they crack or split somtimes where they connect. thats somthing to look for for sure.

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Thanks broth

[sandcrabsailor]

vacuum leak is the most likely culprit. If your buddy was elbow deep in your engine bay, then it's likely he knocked a hose connection loose, especially if they are old, damaged, or already loose. Squeeze each hose all the way up and down, and check every connector. keep us posted on how this works for you!

Miami, FL? I'm guessing here, not trying to be an @$$:
I apologize, Spanish is my third and weakest language
el escape del vacío es el culpable más probable. Si su compinche era codo profundamente en su bahía de motor, entonces it' s él golpeó probablemente una conexión de la manguera flojamente, especialmente si son viejos, dañado, o suelta ya. Exprima cada manguera hasta el final hacia arriba y hacia abajo, y compruebe cada conectador. ¡manténganos fijados en cómo esto trabaja para usted!

[nando]

^ LOL. But an A for effort.

[costa_rican13]

^ LOL. But an A for effort.

indeed^^ LOL... and -1 for pwnage of the zenki... now i say s15 front end conversion and rb25 that isht or ka-t like me!! nows your excuse!

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I'm studying auto mechanic in a school
I check every hose and none one came bad just two hose from the fuel filter to the fuel rail when I squeeze those it
release fuel from one side and I test the injector and my number 4 is clogged I think
I test it with a voltmeter on resistance and it pass 1.00 all others where at 0.39 ( number 1) - 0.54(number 2) 0.89(number 3) In school they teach me that it doesn't supposed to pass 1.00 and if they do is because is clogged

And my throtlle body is a little dirty but i don't think is that maybe

When I play with the distributor to advance it or delayed it change a bit but start with the same s***
it drops the rev each 5 sec

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I think I just found out it was the MAF sensor cause when I disconnect it runs good but as soon as I connect it shut down quickly or start to missfire and drops the idle

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Sorry guys I was wrong again
the air mass flow was well
When removing the distributor I put two more teeth
was out of time

[sandcrabsailor]

HAHAHAA! I thought you did that already?

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It seems that I installed in the wrong position