LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

need big time help

Old May 15, 2006 | 01:43 PM
  #16  
crAzy95z28's Avatar
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Joined: Aug 2003
Posts: 1,669
From: Houston, Tx
Re: need big time help

MAF = check
optispark = check
o2's = check
map = unchecked
fuel injecters = unchecked
IAC = unchecked
TPS = unchecked (prob wont be messed up, but wotn hurt to look at and test)
all Vacuums = unchecked

There are all the problems u can look at.
Old May 15, 2006 | 01:48 PM
  #17  
LUCIFER2's Avatar
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Posts: 38
Re: need big time help

Originally Posted by crAzy95z28
MAF = check
optispark = check
o2's = check
map = unchecked
fuel injecters = unchecked
IAC = unchecked
TPS = unchecked (prob wont be messed up, but wotn hurt to look at and test)
all Vacuums = unchecked

There are all the problems u can look at.
map was replaced also. still need to check the injectors but whats a good way of testing them?? whats the iac?? and tps checked.
Old May 15, 2006 | 02:18 PM
  #18  
crAzy95z28's Avatar
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Posts: 1,669
From: Houston, Tx
Re: need big time help

well i know a locked up injector doesnt tick. Put something onto the injector and put your ear to it and listen. If it goes, tick , tick, tick, tick kinda fast. That means its good. If no ticking then that injector is bad.

IAC is Idle/air/control it sits at the bottom of the throttle body and has a plug on it.
Old May 15, 2006 | 02:39 PM
  #19  
fast96lt4's Avatar
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Joined: May 2004
Posts: 341
From: port isabel,tx
Re: need big time help

Or to check injectors loosen fuel rail and turn car to on position (do not crank), if there's a leaky injector you will tell right away, make sure you have somthing to absorg the gas.
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