Automotive/Tech Video Jan 24, 2017 8:29 am VIDEO: The Worst Spark Plug Jobs (Part 1) Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Shocks, Struts And Tires: What Is The Wear Connection?Air Management For The FSI V6 And V8 EnginesVIDEO: Packing Tapered Roller BearingsDrive Belt Checklist: What Are You Missing?Curing Brake Pulsation And Judder Complaints Starts With The Customer VIDEO: Selling Loaded Struts In SetsCuring Brake Pulsation And Judder Complaints Starts With The CustomerVIDEO: Packing Tapered Roller BearingsVIDEO: Oil Consumption Issues On Modern VehiclesVIDEO: Electrical Shorts Caused By Cleaning Vehicle Interior? Andrew Markel starts on a list of the six most difficult spark plug jobs you may have already dealt with. This video includes the GM Quad-4 engine, the Toyota Previa van, and the Chrysler Town and Country. Video courtesy Underhood Service. Watch The Worst Spark Plug Jobs (Part 2).