Ask Honest John

Most recently answered technical issues questions
I own a 2012 Audi A5, but have suffered constant problems with the ‘side assist’ on the right hand side – it keeps going off on its own. My local dealer told me to wait for software update - which came...
My Vauxhall Combo van is suffering from a loss of power and black smoke. The engine light is also on and no garages can solve the problem. I have a suspicion that the DPF is not doing what it should, can...
My colleague's 2008 Ford Focus 1.8 TDCi has suddenly developed a an awful smell inside. Carpets are clean and nothing has been dropped on them. Smell dissipates when blowers are on full blast. Any ideas?
I have just purchased a 1999 Vauxhall Vectra 2.5 V6. It was a cheap car that had a few problems, which have all been fixed apart from one – I can’t lock the doors. It looks like the car was broken into...
I bought a 3-series BMW estate from a car supermarket about 18 months ago. It was high mileage (80,000) but was only four years old with a couple of previous owners. However, since buying the car, I have...
I am thinking of re-mapping my Jaguar XF 3.0D diesel. I've been told that the torque will increase from 369 to 449 lb ft, with an associated increase in bhp from 236 to 327. They also claim a small improvement...
I have a 2001 Toyota Yaris 1.3 with 154,000 miles on the clock. I recently noticed a different engine noise when in the higher gears; the frequency/sound/tune/vibration of the engine changes from normal...
Can you tell me which engines have a timing chain?
The dashboard has stopped working on my Renault Espace - I have main beam and indicators but nothing from speedo, temperature or fuel. Have sent unit to BBA and they say it’s ok, but it didn’t work when...
What are the original tyres for a 2010 Ford Focus 1.6 TDCI?
 

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