Contributing Editor Andrew Markel warns “you cannot ignore reflashing any longer.” He provides seven tools you need for reflashing as well as eight problems that can be resolved by reflashing.
This article will document code P0301 — Misfire Activity on Cylinder No. 1 — a code many of you have run into, but sometimes we have case studies that are worthy of mention. Our subject vehicle is a 2007 Mercury Mountaineer. The vehicle has a P0301 stored in its memory. The lead tech working on this