Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Nov 3, 2009 | 07:36 PM
  #1  
OB_WAN's Avatar
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Default need an extra computer

I have a rock crawler with a tuned 2001 LR4(4.8L LS series engine). I need a backup computer for the trail. I've run in to a few experiences where the system shuts off my fuel/spark when I hit really hard. worried it is a bad connection in the computer.

What computer should I look for? I only need something that will get me home in limp mode. I have an aftermarket trans so don't need computer control to manage that.

here are the #'s on my computer, what should I ask the junk yard to match?

SERV.NO.09354896
*86CWAF9199034SUNS*
09374401
HDW NO. 16220610
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Old Nov 3, 2009 | 07:45 PM
  #2  
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i would just ask for a 2001 4.8 computer for a 5 speed truck. Its either that or buy a ECU and have the transmission tuned out.

I bought a 2002 Silverado 1500 5.3/4L60E ECU 2 weeks ago from LKQ for $65
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Old Nov 3, 2009 | 08:01 PM
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I can get a computer for ~$40. just need to make sure I'm getting the right one.

so a computer for a manual trans will be setup w/out any validations? one with 4l60e tuning won't go in to limp mode?
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Old Nov 3, 2009 | 11:33 PM
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You would still have to have the PCM tuned since it is going to have the VATS enabled and the engine will not run.
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