Ask Honest John

Most recently answered diesel engines questions
I have a 2014 BMW 530d, and it is EURO6 compliant but does NOT have the Ad blue tank. Yet my previous Audi A7 V6 diesel and other Audi 3.0 litre diesels had this technology. How is it that BMW achieve...
We own a Ford 2010 Ford Mondeo 1.8 TDCI. Yesterday, the car started but then stopped almost immediately. It then refused to start. We have tried again today, but it refuses to run for more than a few seconds....
I own a Vauxhall Vivaro van with a 2.0-litre diesel engine. The vehicle is displaying a DF059 fault code, which states the particle filter is absent. What does this mean?
I took delivery of a new BMW 320d two weeks ago. The car was built in December 2015 and has been sat in a dealer's compound for eight months, I drove the car away with 10 miles on it, would you advise...
I have Honda Civic 2.2 diesel (2006 model). It starts when cold but refuses to start up when warm. My local mechanic has looked at it and changed four injectors and the crank shaft sensor, but it has not...
I bought a BMW 118d in June 2014. The last MoT (June 2016) needed two rear tyres and I was told by the garage that the front tyres would soon need changing. I was also informed that they're not run flats,...
I'm having an issue with my 2009 Volkwagen Golf Plus 1.9 TDI. After driving the car between 20 - 40 minutes, there is a sudden loss of power, a lot of smoke, a burning smell and a crunching sound from...
I currently own a 2009 Volkswagen Golf 1.9 TDI BlueMotion. The CAN unit has just been replaced and I am worried about future reliability issues. Work travel is 24 miles per day and I have £5500 to spend...
I have a 2011 Vauxhall Meriva 1.3 diesel. When driving I get a serious rattling sound from the engine. It is a tinney sound like loose tappets or timing chain. It doesn't do it all the time but usually...
I have a 2008 Skoda Octavia diesel with a DSG gearbox and 40k on the clock. The car starts first thing, when the engine is cold, but doesn't start very well when warm. I've taken it to my local garage,...
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer