Ask Honest John

Most recently answered egr valves questions
I purchased a car on the 7 October 2016 and it showed an engine fault warning light on the first day. I contacted the seller and he said he would have it fixed due to it being the EGR valve warning but...
I bought a 2012 Jaguar XJ for £15,500 from a small dealer and it had done 111,000 miles. Took it for a service and cam belt (which I knew it would need) and was advised it needed a new gearbox! There was...
My EGR valve has gone on my Volkswagen Jetta 2011 and the car has only 42,000 miles on clock . I took Volkswagen extended warranty, will this cover it?
I have a 2009 Volkswagen Golf 2.0 TDI. The EGR has just failed for the sixth time and my local dealer has just quoted me over £1600 for the repair. The last time it failed was just over two years ago but...
My Nissan Primastar van starts but then cuts straight back out after a few seconds. The fuel pump is working and I have had it running or starting and ticking over without the MAF sensor plugged in but...
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 2011 Audi A3 diesel has 70,000 miles on the clock and an amber fault light on the dashboard. The local Audi dealer says I need to replace the EGR valves, which will cost £1600. This seems like a huge...
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...
 

Value my car