Car Mechanics

Electronic Diagnostics

“This was all caused by not changing the air filters correctly,” explains Mark Shipman at AES as we look over the engine bay of the Mercedes C320 shown here that’s having its turbocharger replaced. He dismantles the induction pipework from the two air filter housings to the centrally mounted turbocharger and points to a couple of seals. Had the induction system been dismantled when replacing the air filters, the seals would have been inspected and replaced instead of getting damaged,

Tracing and fixing faults in electronic engine management systems breaking down and bits of them being sucked into the turbo, resulting in its destruction.

We have first-hand experience of the 2987cc V6 dieselwith the same engine and warned then about the potential perils of those induction seals. We also had to replace the turbo, but at the same time discovered that, if maintained, these Mercs can be reliable high-mileage family cars.

You’re reading a preview, subscribe to read more.

More from Car Mechanics

Car Mechanics3 min read
Mileage Matters
Nowadays, with mileages at every MOT being recorded centrally, available online to anyone, and the most recent mileages printed on test certificates, it is a lot harder for dishonest traders to clock cars arbitrarily. A sudden loss of 30, 40, 50 or 1
Car Mechanics2 min read
Wrong Time
Q My vehicle is a Vauxhall Insignia 2019 (69-plate) Grand Sport Elite Nav Turbo 1.6 petrol. I’ve owned this for a few months and have just recently noticed that the clock is showing an incorrect time. The vehicle is fitted with the Multimedia Navi Pr
Car Mechanics1 min read
Diagnostics Doctor
Diagnostics Doctor is a FREE helpline service for CM readers – including trade readers – who are struggling with diagnostic/ engine management related faults. Steve Rothwell will answer all your queries. He will need as much detail as possible: MAKE,

Related