Ask Honest John

Most recently answered diagnostics questions
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...
I took my 2007 Passat to the Volkswagen garage as I needed to get one of the keys re-coded. They linked the car to the computer and after an hour, told me that the electric handbrake motor housing has...
My Jaguar X-Type 2004 was jerking and wouldn't rev past 3000rpm and now it won't start. It even won't supply power to the spark plugs.
You recently diagnosed an “antiskid service required" warning on a Volvo XC90 as being due to different sized tyres front to back, but there may be a different reason. When my 2006 Volvo S60 was about...
My Renault Scenic has started to intermittently display the warning message on the dash "Check Injection" with the service light. I've checked out the definition in my handbook and it says "serious engine...
I have a 2008 Mini One that has only done 26,000 miles, and in the last eight months it’s had to have both rear link arms replaced at my local garage. It has in the last month developed a knocking noise...
My i30 failed to start one morning after running since I had it. The dealer pluged in his computer and found an error code "P1690 - Immobiliser to SMARTRA no response" Apart from this initial assessment,...
I have been having problems for the last four months with misfiring, i have replaced both harness's the ecu and four injectors. Every time a part is replaced it goes ok again for a bit then it starts misfiring. If...
I run a Vauxhall Corsa diesel 1.3 Club, 58 plate, 43,000 miles on the clock, regularly serviced. It is a driving school car. Recently, in the middle of the day, the engine suddenly faded and cut out...
 

Value my car