Turbo under boosting - Lack of power
13th March 2012
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   Turbo under boosting


We were asked by one of our customers to investigate a lack of power above 50 miles per hour. After experiencing this fault in a rush heading to work!

We carried out a road test and confirmed the problem.

We then carried out full diagnosis with our fully up to date VAS 5051B.

Russell Automotive Centre is the ONLY Award Winning Specialist in London with same fully up to date diagnosis equipment as a main dealer.
We diagnosed an intermittently faulty turbo charger, we suspected the variable vanes inside the turbo were not moving smoothly and were becoming seized.

We removed the turbo and then disassembled it to confirm the problem.

Follow this link to our youtube channel to see the variable vanes moving. Russell Automotive’s youtube channel.

As we suspected, the variable vanes that were connected to the actuator linkage were not moving smoothly and were causing the lack of power.

A new turbo was fitted and the problem was completely rectified.

For a correct diagnosis from fully experienced Technicians using the latest up to date diagnosis equipment and tools call Russell Automotive Centre, London’s Leading Audi, VW, Seat and Skoda Specialist. 0208 2000 995 www.rac-london.co.uk

At Russell Automotive Centre we will guarantee to beat any other quote for the supply and fit of turbo chargers. See our price match promise for more details. http://rac-london.co.uk/special-offers/price-match-promise/

Russell Automotive Centre.


0208 2000 995

About the Author

Jane Russell (Russell Automotive Centre)

Member since: 13th March 2012

I run 2 garages in NW London. Russell Automotive Centre is an award winning Audi, Volkswagen, Seat & Skoda Specialist offering service and repair to rival any main dealer. Garage Express services,...

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