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Technical Questions Answered

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

I changed the oil and filter on my 2012 Ford Fiesta. Now the engine fault light is on and the turbo isn't working.
I have a 2009 Ford Mondeo TDCi X Sport that's done 95,000 miles. I was driving at appox 40mph when I suddenly lost my power steering. The engine management...
When I turn the ignition key, the lights come on the dashboard but there's just a clicking noise and the engine doesn't turn. I've charged the battery...
My 1982 Mercedes-Benz E-Class (W123) auto doesn't like to start when the engine reaches normal running temperature. It has a K-Jetronic ignition system.
The DPF on my 2010 Ford Mondeo TDCi burnt out, glowed red, smoked and then the exhaust dropped after 109,000 miles. No warning lights came up on dash....
After carrying out an oil change, I have a leak from the sump plug. I used a metal washer from the filter pack, not a copper one, as I would have expected...
We have a Volkswagen Transporter T6. Had a few problems with a fuse blowing and now the central locking is not working. Could this be a fuse problem?
Recently, the fan belt, tensioner and battery light came on in my 2004 Ford Mondeo. I had belt and tensioner replaced, but battery light still. I checked...
Nearside indicator isn't working on my 1996 Audi A4. The hazard lights are okay. I've changed the hazard relay switch but the nearside indicator still...
My Citroen C4 refused to start today. I can't move the gear stick from parking to any other position unless I press on the brakes. When I do move it, the...
Our 2007 Ford Fiesta 1.4 TDCi broke down on Sunday evening. The engine cut out at 75mph. It started up again and revved fine, but came up with 'Engine...
My Fiat Grande Punto is having various electric problems, from headlights not working to headlights coming on when I've not got the key in the ignition...
My Mk5 Volkswagen Golf, with hybrid stage two turbo, was making a whistling noise. It's now stopped and won't restart, plus lost all oil. The exhaust shows...
The fan in my car isn't working properly. The temperature of the car is going up to 100 degrees and it only cools down when I put the interior fans on...
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...
My 1994 Audi 80 2.0E ABK engine has a temperature gauge that works intermittently. I've replaced the sender but this has made no difference. I'm sure the...
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'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...
My Audi Q3 140 TDI is four and a half years old, with a full five year Audi warranty. It has developed a low clatter, at about 2000rpm and noticeable particularly...

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

I'm about to spend some money my grandparents left me, but I'm worried that I might waste it. I need a secondhand car for my family and I've always wanted...
The DPF on my 2010 Ford Mondeo TDCi burnt out, glowed red, smoked and then the exhaust dropped after 109,000 miles. No warning lights came up on dash....
I'm having problems with my DPF light coming on after the emissions fix. Is this a typical occurrence with the SEAT Toledo 1.6 TDi? What do they do to...

Technical Questions: DMFs

The gears are not engaging properly on my 2005 Seat Alhambra 1.9 TDI. The bite has become lower on the clutch pedal and no gears could be engaged. However,...
I've got a 2008 Volkswagen Golf which requires a new clutch and dual mass flywheel. I've been told it's a lot cheaper to replace it with a solid flywheel....
My Audi Q3 140 TDI is four and a half years old, with a full five year Audi warranty. It has developed a low clatter, at about 2000rpm and noticeable particularly...

Technical Questions: Suspension

I have an Audi A1 1.6 TDI Sport which is well built, lively and economical. The only downside is the firm suspension which is not suited to the poor quality...
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...

Technical Questions: Bodywork

I bought a six month old Porsche 911 (991) model Carrera from a Porsche main dealer in September 2015. Mechanically the car is perfect, but there is an...
I bought a new Ford Transit Custom M-Sport from a Ford main dealer in March 2016. In January 2017, the paintwork bubbled in the cold weather. Ford put...
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...
 

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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