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

Injectors

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Old Mar 5, 2006 | 12:18 PM
  #1  
lt4 fd's Avatar
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From: plano texas
Injectors

I tested for leaks by putting the pressure gauge on and priming it to see how long it took to bleed down... after about 5 minutes and almost no change in pressure I assumed they were definetely not leaking. Thing is my car runs rich, long term fuel trim in the 115 area on both banks, so I was wondering if maybe it could be all the injectors just went south or something. I scanned it with datamaster and everything looks normal besides o2 readings being rich and the long term fuel trim being very low... what could this be besides injectors? I am soon picking up a set regardless but just need some ideas if it could be something else, please ask questions so I can give more accurate details if you do have potential ideas... Thanks
Old Mar 6, 2006 | 02:58 PM
  #2  
lt4 fd's Avatar
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Re: Injectors

anyone....
Old Mar 6, 2006 | 03:27 PM
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Re: Injectors

what mods do you have?
stock fuel pressure regulator?
them being at 115 thats still enough for the computer to compensate for it.
Old Mar 6, 2006 | 03:44 PM
  #4  
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Re: Injectors

Longtubes, ram air... thats about it... o2 sensors are black but new ones didnt help anything FYI
Old Mar 6, 2006 | 06:35 PM
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Re: Injectors

How are your plugs?
Old Mar 6, 2006 | 10:54 PM
  #6  
lt4 fd's Avatar
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Re: Injectors

They are all fine and all getting spark, enough of it too.. atleast 30k volts...
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