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Most recently answered egr valves questions
My Vauxhall Astra is blowing smoke and the engine management light has come on. I have been told that its the EGR valve. Its been cleaned out properly. But isn still smoking and juddering. Do you think...
I am considering the purchase of a secondhand Jaguar XF or XJ about 3-4 years old, but from reading your various concerns about particulate filters, I am also concerned. My annual mileage is no more than...
My 2006 Skoda Octavia 1.9 TDI PD Estate has just completed 150,000 miles, 145,000 miles in my ownership plus 5000 as the dealer’s demonstration car. The only major expense I have incurred was for a dual...
I want to change my 10-year-old BMW for a hatchback with automatic transmission such as the Golf or Focus. The Volkswagen dealer is trying to sell me a 2.0-litre diesel, but I would prefer the 1.4 TSI...
As a petrochemist specialising in engine lubrication I have to agree with your comments entirely. It's not commonly known that driving habits have an effect on vehicle reliability, and short journey "shopping...
Several companies advertise products that modify diesel cars to disable the EGR valve. This is acheived either by means of a software update or a blanking plate. In the case of the latter, I believe there...
I'm looking for some advice in regards to my wife's 2008 Vauxhall Astra 1.9 CDTi SRI. Seven days ago the exhaust gas recirculation (EGR) valve was replaced by my local Vauxhall dealer after the emissions...
I have a Ford C-Max 2.0 diesel (80,000 miles, around 53/54mpg), which has always been main dealer serviced by the book. It suits us well and goes very well except that, for over a year, it has suffered...
I bought a Nissan Qashqai five weeks ago from a main dealer and have felt the car surging from time to time. I am told by a friend that it is probably a sticking EGR valve. The car is ex Motorbility and...
On Monday 1 April 2013 my Ford Focus Titanium broke down and showed the message "Engine malfunction". The AA was unable to fix the problem and towed the car to the dealership from which I purchased it....
 

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