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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EGR Removal question

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Old Aug 13, 2008 | 05:51 PM
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billvh
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From: Franklin indiana
Default EGR Removal question
I had a PCMforless tune done for my 90 w/ no EGR. My car still has the EGR and controls. Does this need to be removed and blocked, and will it cause any problems if left on?
Thanks again!
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Old Aug 13, 2008 | 06:22 PM
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St. Jude Donor '08
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no just the computer will not look for falt codes.
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Old Aug 13, 2008 | 08:40 PM
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Thats kinda what I thought. Ive been having some problems w/ running rich, surging and code 44 coming up, probably the O2 sensor. Just wanted to eliminate a source of problems.
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Old Aug 13, 2008 | 11:24 PM
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Im guessing the EGR is not as easy to remove on the L98 as it is on the LT1.
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Old Aug 14, 2008 | 06:02 PM
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you have to remove the plenum, not a huge deal though
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