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

disable egr and smog pump?

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Old May 24, 2004 | 10:03 AM
  #1  
toneloc12345's Avatar
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From: OHIO
disable egr and smog pump?

i have a 1996 Formula and i had MadZ28 tune it. I had him disable the egr and smog pump, my car seems a little slower now. Should i send it back sometime to turn those back on?

TONY
Old May 24, 2004 | 10:13 AM
  #2  
cmking26's Avatar
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From: Illinois
Make sure when you removed the egr that you dont have a vacuum leak. It shouldn't run any slower. I would check for leaks first.
Old May 24, 2004 | 10:46 AM
  #3  
toneloc12345's Avatar
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i didn't remove the EGR valve, before i got it tuned i had a SES light for the egr vavle.

TONY
Old May 24, 2004 | 02:58 PM
  #4  
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From: Little Rock, AR
Maybe you have a real problem with the valve, itself. You might want to be sure it is not stuck open or something.
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