Ask Honest John

Most recently answered diesel engines questions
I have a 2012 Ford Kuga diesel. Recently, the battery has started to go flat every 10-14 days if its stood on the driveway or only used a couple of times a week for short journeys. It has had the Bluetooth...
I'm a taxi driver and I've got a 2010 Skoda Octavia 1.6 TDI. Whenever the DPF regenerates it blows a lot of smoke from the exhaust pipe. I eventually realised that I should let the regen finish before...
The EGR cooler has failed on my Volkswagen Golf. Is this common?
You recently gave this advice to a question on the 5 December: "If the EGR fails prematurely (within 60k miles) I am telling people to try to claim this as a consequence of the VAG emissions defeat ECU...
My Volkswagen California camper van is 10 weeks old and needs a new engine due to the failure of the exhaust gas recycling valve causing coolant to be drawn into the block. How confident can I be with...
About 18 months ago I had my Skoda Octavia (2012 model) 1.9 diesel valeted. The firm that did the work also washed the engine, even though I never asked for the work to be done. After this the car experienced...
I purchased a 2011 Volkswagen Tiguan in 2013. The car had 9000 miles on the clock and I bought it from a car supermarket. The vehicle has now covered 49,000 miles and has a full dealer service history....
My Renault 19 diesel is losing coolant every few days. The temperature warning light has also come on, along with the low oil. However, I’ve checked the levels and everything appears to be fine, although...
I am thinking of buying a used van. I’ve seen a 2014 Ford Transit Connect for sale, but it has 101,000 miles on the clock. Is this too many?
Our Skoda Yeti 140PS diesel 4WD six-gear manual was tested on a dynamometer to provide the power and torque output graphs before and after the 'cheat' software upgrade. The Yeti had the same grade supermarket...
 

Ask Honest John

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 10% on GAP Insurance

Use HJ10 to save on an ALA policy

See offer