Question about 2000 Cadillac DeVille
Sir if the check engine ligh is flashing that indicates a PO300 code which is a missfire code. To determine which cylinder you will need a scanner to find out. The problem could be a failed sparkplug, a failed ignition module for that bank, a failed injector. At any rate it will require trouble shooting to diagnosis. Wish I could help more. Thank you
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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