Ask Honest John

Most recently answered diagnostics questions
I recently bought a used Jeep Patriot from a dealer and was given a three month basic warranty from them. It developed an oil leak so I called the garage to say this was happening, they said put it into...
My 2007 Vauxhall Astra 1.6 petrol engine was wrecked by the swirl flaps, with no obvious prior warnings. In last Saturday's Telegraph a garage identified a failed inlet manifold and swirl flaps. How is...
My Volvo S40 had a new DPF in 2014 and in December 2016 it needed a new ADM, EGR valve, and DPF cleaning. The engine system service costed £1250 and now an Anti-skid service required warning light has...
My 2014 Nissan Note Tekna has developed a nasty suspension creaking sound. I understand from the Note drivers forum that this is an issue with 2014 Notes - front anti roll bar bushes are a known problem...
My Peugeot 208 developed a fault with the electric window so took it to the dealer. They say it needs a repair and it's covered under warranty but they've made me pay £114 for the diagnostic check. That's...
My grandson owns a 4 year old BMW 1 series, petrol which has done 52,000 miles. Recently two red lights appeared on the dash and he took it to a BMW dealer who quoted him £160 per hour for the diagnostic...
Can car manufacturers force a visit to dealer to reset service reminder? I'm told I need it resetting at a main dealer even though there is the procedure in the owners handbook saying how to do it. The...
I need a diagnostic scanner to read/erase fault codes on my Volvo V50. I have seen some scanners that list most Volvo models but not the V50. Can you help?
Can you recommend reasonably priced diagnostic equipment that will work for fault codes and resetting fault lights, specifically ABS?
Recently power is lost when driving my BM3 at around 2000 revs to return normally shortly after. My independent garage diagnosed and fitted faulty air control valve without success. A new diagnostic test...
 

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