Ask Honest John

Most recently answered spark plugs questions
My Toyota garage says that if I replace the spark plugs with 'Laser Iridium Premium NGK IFR6T11' they will cause problems - what problems - not stated. These are not the recommended plugs, but I have...
I have been offered an full annual service at a Citroen dealer for £300 for my four-year old C1, or a deal at £200 by the same garage for a service that mainly differs in not changing the spark plugs....
I have a problem of liquid getting into the spark plug chamber of my 2005 1.6 Ford Focus petrol hatch, and wondered how to stop this. An RAC operative said that he thought that the HT leads might be too...
Rain water is filling around spark plugs on my Fiesta.
For the past four years, I have enjoyed completely trouble free motoring from my 2004 Audi 2.4 V6 saloon, thanks entirely to the superb (and modestly priced) servicing care received from my local independent...
One cylinder on my 02 Mondeo is not firing. The garage replaced the coil pack, plugs leads, injectors and rail and they've done a compression test. The same cylinder that wasn't running before this still...
My son in law took off his plug leads and didn't notice how to put them back. Would it be possible for you to tell me which plugs go where?
My Focus has a stuck spark plug which is causing a misfire.
I have a 2004 Renault Espace petrol. It always starts from cold but sometimes when you stop it wont restart. The engine turns over but won't fire. If you leave it for 10 minutes it then starts. It's a...
My local Ford dealer advised changing the oil in my 06 Ford Focus at 12,000 mile intervals and the plugs at 33,000 miles. These seem very long intervals to me. My annual mileage of 12,000 is mostly 65...
 

Ask Honest John

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 10% on GAP Insurance

Use HJ10 to save on an ALA policy

See offer