Mr Skrunts wrote on 19. Jan 2011 at 01:32:
cem
Car is a 99 T plate 3.0 Auto Elite with all the toys.
Has done 90,250 miles, the last 7,000 with me and I will have had it 3 years at the end of April.
Never missed a beat, but the car has been stood for long periods and as a result corroded the front disks with rusting all the time. So had genine Disks and pads and a new Vx Go battery.
Illness and lazyness means the car hasnt really been mainteined properly, but hopefully that will be rectified this summer.
Took the car out tonight to go pick GF up and didnt feel a noticable misfire as it was yesterday, had a bit of a blast round and looks like it may have cleared itself. Took GF at 12:30 and from a standing start took it through the 1st 2 gears (1st time I have ever seen the rev counter enter the red) and didnt feel a miss fire.
Still have a water leak though, but nothing to do with the water pump. (reckon it's from the HBV or that area. But I am wondering if the misfire was from the amount of water sprayed from the header tank when the temp kept rising, and as the misfire was only ever under load then never showed up with the water pump problem as the car was driven with loads of TLC
Mr Skrunts,
those cars are not young anymore (like us) , could be many things..

personally I would check the sparks first.. then the error codes.. it could be even a simple socket problem like we had this weekend ..