Ask Honest John

Most recently answered diagnostics questions
I have a 2015 Citroen C3 Picasso 1.6-litre diesel that keeps going into limp mode and service light comes on. If I start and stop the engine five or six times it clears the problem for a few days but then...
Which diagnostic scanner is best for a Dacia Duster?
Are any of the apps available to turn a smartphone into a car code reader any good?
I own a Honda Jazz and want to buy a scanner that will read things like ABS and other "deeper" issues that regular scanners won't read. Could you advise me which one to buy?
I have a Mitsubishi L200. Can anyone recommend an OBD2 diagnostic interface that works with this model? I'm talking about something verified, in a decent budget.
I have a flashing glow lamp warning light on my Skoda Fabia. What does this mean and is it okay to drive?
Our Hyundai dealer wants a nonrefundable £78 diagnostic fee before covering work under the Hyundai five-year warranty. Is this acceptable?
I bought a Toyota Auris from a main Toyota dealer a week ago. The car is a 16 plate, with only seven miles on the clock when I bought it. The car was a Toyota fleet car, so was unused for over a year....
I booked my car in for aircon failure and was told the diagnostic fee wouldn't be charged if work was done. I had work done (for £840) and find the diagnostic fee was charged after all. The phone recording...
Are there any cheap fault code readers that do not need the ignition to be on? As my fault locks out the push button start on my Mazda 6 so I cannot switch the ignition on to power up the standard code...
 

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