How much is tuneup costs for this engine? on 2005 Cadillac DeVille

Have not tuned engine close to 100K! Funds are limited. Thanks for any info.

by in Washington, UT on November 09, 2012
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2 answers
ANSWER by , November 09, 2012
dealership =$400, independent shop =$300, student or a wannabe =$150, yourself =$40, satisfaction of doing it yourself...priceless
ANSWER by , November 09, 2012
approx 300.00 labor and plugs depending on labor rate in your area. if it needs more that would be extra