"Back by popular demand, Scantec Automotive’s Ross Kemp explains why fitting poor quality, cheap parts can lead to some diagnostic head scratching, as well as being a false economy". As diagnostic specialists, we at Scantec often wonder why customers pay for our professional services and advice, and then don’t follow it. I would like to share a classic example with you in this article. The vehicle in question was a very low mileage Ford Focus, brought to us from another works