Corrections

In the November 2018 issue, our 10-page main feature on lighting was illustrated with a graph (see right) described in the text as indicating that an ageing HID burner’s light output had dramatically reduced after 10 years. In fact, we should have said four years’ usage, not 10.

In the same issue, in our Golf GTI project, the caption for Step 6, says: “There are two cam revolutions for one crank revolution, so you could be 180° out.” This should have said “two crank revolutions for one cam revolution.”

In the October 2018 issue, in the Electronic Diagnostics feature about the 2005 Land Rover Discovery 2.7 V6 diesel, we didn’t make it clear that this vehicle was already fitted with an EGR valve by-pass. So the EGR faults shown on our diagnostics reader were immaterial due to the by-pass. Also, this model only has one turbocharger fitted – we said that it has twin turbos.