When buying the spark plugs, don't use any platinum, resistor or nothing like that. They burn rich, decrease fuel economy and cause crappy idle and misfires. Been there done that. Beru has some good plugs for these cars I love. Beru 14 F-8 DPURX02

__________________
Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k