Ask Honest John

Most recently answered sensors questions
I have problem with fan in my Xsara. Computer test shows that there is a radiator fan problem but the fan is working fine. It starts at 92C but at the same time STOP indicator comes up. I replaced...
Our BMW 1 Series has done 40,000 miles and the warning lights for brakes and DTC have come on. My local, excellent independent garage, B&D Specialist Cars, has diagnosed a rear ABS/DTC module unit fault....
A dealer 25 miles from me has a 2004 Micra 1.2 SE in what looks to be good condition and at a very tempting price. We need to replace an aged Polo and have very little cash to spend, so this looks promising....
My recently purchased 2007 Micra C + C 1.6 Sport has done 30,000 miles and has been looked after. However, the throttle response makes it impossible to drive smoothly. The lightest touch on the throttle...
I have a 2.0 litre petrol Toyota Avensis on a 54 plate. Recently the engine management light came on and I duly took it in to Toyota to investigate. They diagnosed a faulty lambda sensor and replaced it...
I've got a 2001 Peugeor 306 2.0 HDi with an intermittnt limp mode problem. The problem seemed to start after running out of diesel after six months of no problems. After a visit to the dealer it went...
The cam sensor went on my Vectra and backfired through the air filter. I've changed the cam sensor and I've got a spark but no fuel to the engine. Is there a reset for fuel pump?
My son has had a 1998 Renault Megane from new, now 12 years old and 90,000 miles on clock. It keeps cutting out when driven. It starts again, but then cuts out again making it dangerous to drive. Renault...
My 2.2 direct sri petrol Vectra lost power 2 days ago while in traffic, the recovery people plugged the car into the computer and told me that the coil pack needs replacing as the car was misfiring on...
I have a very well maintained Citroen Berlingo - 10 years old, 100,000 miles. The dealers tell me that the idling sensor has burnt out the engine management CPU so that it cuts out at idle sometimes. They...
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer