Right so....

i get home today ,and remove spark plugs 1 and 2, cleaned them so they both look identical, gave the cylinders a min or two for the excess fuel to evaporate so both piston crowns are dry....

swapped the injector wires as simon suggested and ran the car for a few mins

the problem stays with no 1

i did the test a few times to make sure..and same results every time, no 1 plug gets wet and the crown is also wet.... didnt go black as i didnt run it for long enough, plug two looks clean and dry


so i now have checked... plugs and cap lead etc... base idle with iscv unplugged is dead on 900rpm, and idle is now uneffected when the iscv is plugged back in, fuel pressure, pressure tested for air leaks at 1, 2 and 3 bar, swapped injectors over and done the above test and still have one rich cylinder no 1....



what can it be? fuel reg as stu suggested?

im wondering if i have stumbled on the reason my engine melted no 4, as i may well have been weak