Ask Honest John

Most recently answered technical issues questions
My E46 started with a misfire then loss of power, uneven idle, white smoke and later it flooded cylinder 4 with fuel, disabling the spark plug and allowing raw fuel to flow into the exhaust system. I thought...
I have a problem with initial starting in my Mazda Bongo auto diesel. Smoke and poor combustion, too.
I have been a victim of the winter potholes and have ruined one of my alloy wheels. As my car is seven-and-a-half years old and has nearly done 100K miles, I am loath to spend £200 replacing it. Do I need...
My Nissan Qashqai 1.5 suffers an intermittent noise from the water pump. Being intermittent the garage has failed to find a fault. I am anxious as I am aware of the damage this fault could cause to the...
My Santa Fe broke down on the M5. It was taken to Hyundai Murley in Stratford. The cam shaft seized in the cylinder head. The car is still under 5 year warranty. Hyundai has refused warranty cover over...
I have just traded my Fiat 500 for an easy access Ford Fusion. It is an ex-Motability car, registered in 08/2009 and with 13,600 on the clock and a full Ford service history. As it is low mileage and could...
I have just bought a second hand C220 automatic. The car has 108000 and full MB history till 100000. I collected the car yesterday from the trader, who had put it through his mechanic to be checked and...
To give you the overview: My Qashqai is three and half years old, so only 6 months out of warranty. Full service history with a Nissan dealership. last service only 6 months ago, and has done approx 42k...
My wife's 54 plate Renault Scenic with nearly 90 thousand miles on the clock (or was!) has suddenly lost all information on the dashboard - speedometer, fuel gauge - everything. Our local garage has...
I decided to get an Allegro as a cheap entry to classic cars and it'd be nice to maintain it myself for the sake of pride as well as saving money. I know they're relatively simple but I'm not exactly...