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1991 Cadillac DeVille Base 2D Coupe

1991 Cadillac DeVille
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March 9, 2012, 2:58 pm

AutomotiveForums M

Question: will a 2003 y code engine work in my 2001 sls with a y code engine

i have a 2001 sls with bad engine i found a 2003 engine both are y code engines will it work without changing pcms


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