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Technical Questions Answered

Honest John and other experts answer the technical questions about your car

My 2012 Mercedes-Benz A class is suffering from a glitch with starting, as the ESP/ABS light comes on, unless I go through the starting steps very slowly...
I replaced the aircon condenser in my BMW 320 at a price of £463. The condenser is located immediately behind the front grill, which a stone entered causing...
I can hear an intermittent ticking after using my 2000 Daewoo Lanos. It carries on after locking the car and has gone on for at least 12 hours.
The driver's door and the driver's side rear locks wont work with the fob on my 2006 Honda Ridgeline. What can I do to fix this? I really don't want to...
I have a Peugeot Partner 1.6 diesel. The cooling fan is not working at all. I've checked all the fuses but they're fine. What should I do?
I have a 2010 Audi A4 diesel auto. When idle, the rpm jumps erratically. It doesn't do this while driving normally though. What could be causing this?
My 2006 Renault Clio seems to have developed an intermittent fault. It's ticking over slightly high when in idle and the temperature gauge drops to zero....
The engine of my Peugeot 306 my will suddenly cut out for about five seconds when I drive it 20 kilometres. So far, I've changed the petrol high pressure...
I own a 2012 Ford Mondeo 2.0. When towing my caravan the engine coolant light came on with loss of power, after a minute or so the power returned and the...
I have a problem with the clutch pedal on my 2004 Ford Focus 1.8 TDCi staying on the floor occasionally, causing no disengagement of the gears. I lift...
I recently changed the intercooler on my 2010 Jaguar XF and now I'm getting an intermittent warning message which reads 'water in fuel, consult handbook.'...
I've got a Mercedes E320 CDi and I've started to get warnings on my dashboard display concerning the left and right hand rear number plate lights and third...
I'm having battery charge problems with my Rover 75 CDTi. I get dashboard warnings that all go away when you charge the battery, but return twenty miles...
I've just bought a Renault Megane 1.6 petrol. When I start the engine, it starts but loses power at first. It needs a bit of accelerating to keep the engine...
I have an unusual problem with my 1981 Toyota Hiace. In the six years that I've owned the car it has started burning sump oil and revving out of control...
My Renault Trafic 1.9 DCi glow plug light comes on and goes into limp mode. It also wont rev over 2000 and emits lots of white smoke from the exhaust....
I have a 2011 Citroen DS4, purchased two years ago. Since January, the engine light keeps coming on and the car will go into limp mode. I had the emissions...
My 1996 Ford Mondeo been standing for three years. What is the best way to approach starting it again? I've fitted a new battery but it didn't start. The...
I have a 2006 BMW X3 2.0d sport, bought through finance. I've had it since 2014, but since the DPF issue I seldom use it. In the first quarter of 2015,...
I have a four year old Mercedes-Benz SLK with 19,700 miles on the clock. I've owned it for a year and it has been covered by a warranty, which has now...
I have a 2015 Renault Clio with approx 18 months warranty remaining. I've had persistent trouble with the tyre sensors malfunctioning and have had three...
When I first start my 2001 Ford Mondeo in the morning it is great, however when the engine warms up I start having problems. It doesn't matter what gear...
Does a creamy substance on the oil cap indicate head gasket problems?
I have a 2003 diesel Renault Clio 1.9. The engine turns over, but there is no ignition. There is a strange whirring noise coming from the engine bay. So...
Any ideas on how water is getting into the boot of a fairly new Citroen C1?

Technical Questions: Engines

I have just bought a 9 month old third generation Honda Jazz SE. The manual recommends the use of 95RON super unleaded petrol. Will I damage the engine...
Is the engine on a Daewoo Kalos 1.2-litre 2003 8-valve after timing belt failure?
What do you think of BMW 316i? Bearing in mind that I'm not the kind of driver that tends to push the car towards its limit, I'm concerned that the engine...

Technical Questions: Gearboxes

I own a Volkswagen Golf SV with a DSG six-speed gearbox. I have seen your reports that there have been many problems with these boxes. My car is coming...
I'm looking to buy a new or nearly new small vehicle but need an automatic due to disability to left hand. I've read reviews and it appears that the Hyundai...
I like the look of the new model Renault Scenic and am considering changing my lovely BMW E89 Z4 M Sport auto for one. The Dynamique S Nav appears to be...

Technical Questions: DPFs

My daughter has bought a three year old Isuzu pickup truck with only 12,000 miles on the clock. The DPF light keeps coming on, the main dealer says that...
I'm undecided whether to buy a petrol Jaguar F-Pace 2.5 T R-Sport or a 2.0 diesel AWD180 auto (which we have tried and is adequate). The 2.5 petrol is...
My 2010 Volkswagen Golf 1.6 TDI had its emissions fix in January 2017. Prior to this, I've owned it for five years with no issues. Last week, a flashing...

Technical Questions: DMFs

We have decided to purchase a year old Volvo V40. It's a second car that would have be mostly short journeys and twice weekly 40 mile commutes, doing about...
I took out an extra 3 year warranty, paid in full, when I purchased a Ford C-Max. I have since had an intermittent fault of the clutch pedal not fully...
I'm looking at buying a 2008 Ford S-Max 2.0 TDCi, 133,000 miles on the clock. It's priced at £2650 and I'm looking at it this week. What things should...

Technical Questions: Suspension

I own a 2014 SEAT Ibiza ST and when I drive down a road with an uneven surface, whether it be potholes, draincovers or speed bumps, I get a rattle noise...
I'm looking to purchase a new BMW 440i. Please can you add some clarity to the wildly opposing views on the benefits, or not, of Adaptive M Sport suspension...
What type of front suspension is fitted to the MG RV8?

Technical Questions: Bodywork

My wife reversed her Vauxhall Meriva into a stationary BMW in a supermarket car park in March 2017. Very minor rub marks were left on both cars (I polished...
I've been passed my test just under one year and I've had my new car for three weeks. Last week, I was stationary when someone else hit me from behind....
My husband bumped my Land Rover into a bin. The side door is dented and has a large scrape on. What would be cheaper, to claim on the insurance (I have...
 

Ask Honest John

Value my car

Amount to borrow
Sorry. The minimum loan amount is £1000
To pay back over

My credit score

Best available rate 9.20%

Total repayment £9,304.93

Total cost of credit £1,804.93

£155.08

60 monthly payments

Apply now

Representative example

The Representative APR is 13.2% (fixed) so if you borrow £7,500 over 4 years at a rate of 13.2% p.a (fixed) you will repay £199.21 per month and repay £9562.20 in total.

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