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

Lt1 timing problem

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Old Feb 26, 2012 | 02:06 PM
  #16  
Kevin Blown 95 TA's Avatar
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Re: Lt1 timing problem

Thanks Dave - I might have misled Jordan a bit since it doesn't matter on our engines, but I was thinking it fired at 12 & 6, too. Sorry Jordan.
Old Feb 26, 2012 | 03:20 PM
  #17  
Jordan Radesi's Avatar
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Re: Lt1 timing problem

No that's ok lol. Got it all timed and now I think something is wrong in my fuel system cuz it's not getting fuel on the plugs. Checked pressure and everything the book says to look for in the fuel system. One thing I noticed is when I check for voltage on an injector plug I'm getting voltage all the time instead of just when the injector is supposed to spray fuel. What does this mean guys????
Old Feb 27, 2012 | 05:03 AM
  #18  
Guest47904's Avatar
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Re: Lt1 timing problem

The injectors always have voltage when the key is on. They are fired by the PCM by connecting a ground potential momentarily to fire them.

To the see the very quick pulses, you need to use a noid light.
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