Hey guys I have a question for y'all. My brother has a 2000 LS and he just found out the dealer had to replace the #1 coil. Now the dealer is saying the main processing unit- their words has to be replaced. It needs to be replaced because "it's still jumping from cylinder to cylinder". I can only think "it" is the spark. Any help from you guys would be greatly appreciated. Thanks.

hey ken didn't they run you through this wash several times?

Ask your brother to wait a bit. Did they replace the valve cover gaskets?

read here:
http://www.lincolnvscadillac.com/showthread.php?t=6929