Diagnostics doctor

Steve Rothwell answering your ENGINE MANAGEMENT queries

Tech solutions and real world tips

MILEAGE 3890 WHY WE’RE RUNNING IT Can a two-seat roadster/GT/sports car be both satisfying to own and electric? I almost knew it would be a bad idea to leave the MG Cyberster unplugged in a car park f

I agree wholeheartedly with Illya Verpraet about adaptive cruise control (Testing, Testing, 4 June): it simply doesn’t work as it should and is inferior to normal cruise control. I find ACC as utterly

Tracing and fixing faults in electronic engine management systems

Vehicle designers are under ever-increasing pressure to reduce harmful exhaust emissions while at the same time delivering better fuel economy and greater performance. Modern technologies such as comm