Ask Honest John

Most recently answered injectors questions
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 filter 'fixed' in January by the dealer from...
My 2010 SEAT Leon 1.6 TDI is being called in for its emissions fix. But before this could be done my car went into limp mode and a failed injector was diagnosed. Is this common on this car?
I've had the emissions fix done on my SEAT Leon and now the car is a dog. Can Volkswagen reinstate the old engine remap and remove the flow obstructer from the inlet? The car is doing 15 per cent less...
I had the emissions update on my SEAT Ibiza 1.6 TDI Sportrider. Eight weeks later, the turbo blew. SEAT tried to blame me by saying there was too much engine oil. I got an oil sample done and the oil was...
The emissions fix was done on my 2010 Volkswagen Golf 1.6 TDI in January 2017 and it now drives very differently. The DSG gearbox changes up into seventh gear much earlier than before (at around 40mph)...
How do you depressurise fuel, prior to replacing injectors, on a Peugeot 406?
Last night my Volkswagen Caddy lost power on the M5 (with 3 children in the back) and I had to be towed off. It had the emissions update a week ago and the RAC diagnosed an injector fault. Volkswagen are...
My sons petrol 2011 Renault Clio 1.2 has ended up in the garage this week after performing more and more sluggishly over the last seven days. The mechanic reported that there was virtually no compression...
My 2010 Volkswagen Tiguan at 57,000 has been diagnosed as needing 4 new injectors by very competent Volkswagen specialists, surely this cannot be correct due to its low mileage.
We bought a 2011 Jaguar XFR from a main dealer five months ago. Yesterday, the oil warning light came on and the car started blowing out smoke. It was towed to a local garage and I've been told it needs...
 

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