Ask Honest John

Most recently answered fuel system questions
My Volkswagen Passat 1.9TDI 130 Sport is throwing out white smoke, oil and water. Have you any ideas? Can I try injector cleaner?
I recently bought this 2004 Vauxhall Astra 1.7 DTI diesel estate which, when I first drove it, was nice to drive without any problems. Later on the same day, it started jolting continuously and the revs...
I have a 2003 Renault Clio 1.5 DCi with 70,000 miles. When starting from cold, the engine turns and fires but does not pick up. On the third attempt the engine starts and runs slowly. It hunts, and after...
My Citroen C2 HDI would not start and I was having to self-prime it using the little hand pump on the fuel system. I have replaced a push-on connector that I thought was taking in the air, but that did...
I have a Mitsubishi Chariot 1996 2.0 auto and would like to know how I can tell if I have a piston or ring problem. The last thing I want is to take the engine out to check. I am too scared to drive the...
My Renault Megane 1.5DCi won't turn over. It's had a new ECU and has been coded and still won't turn over. I press the brake and the clutch, and press the start button, then it beeps twice and the fan...
My 54-plate (2005) Skoda Octavia 2.0 TDI PD Elegance has developed a tendency not to start occasionally. It was checked by the Skoda agent, who found no fault when scanning it, however it behaved itself...
I refer to the letter from DH, Bridgend regarding a 2005 VW Golf with "an array of warning lights that have been coming on together, intermittently". The discussion was around possible faulty sensors or...
 

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