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

Good FP.....no pulsing injectors

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Old Apr 22, 2007 | 02:40 PM
  #1  
30696bird's Avatar
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From: dalton Ga.
Good FP.....no pulsing injectors

I just did the VATS bypass because my security light was staying on and now my light is off but my injectors STILL won't ground. I took a test light and hooked it to the battery (+) while poking through both the injector wires (separately) just to make sure I did not get the wrong one. With the key off both wires are grounded and when you turn the key on they both go positive. If I try to start the car they both stay positive. I don't know what to try next...... Any idea anyone?


BTW, you can hear the FP when I turn the key and I have 45PSI with the key in the on position and while cranking. Thanks
Old Apr 22, 2007 | 05:20 PM
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From: Patchogue, NY
The injectors might fire too quickly for your multimeter to read the pulse. Do you have a noid light you can use?
Old Apr 22, 2007 | 05:54 PM
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No. I was actually using a test light. I sued it on my 91 300ZX when I put the engine in it and you can see the light, light up when they fires. I figured you could see it on a lt1 too. I guess I can go buy a noid light tomorrow.
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