Hi guys, I'm having a problem on my R33 Spec 1.5, its missing on the 4th cylinder from the front. All other plugs are fine, just 4 is wet and can see the top of the piston face is nice and moist through the plug hole. Took all the plugs out and fuel pump fuse, cranked it quite a few times, put new plugs in, replaced coilpack harness with a good 2nd hand one, cranked it again, then replaced the fuel pump fuse, still running on 5 and I can pretty much guess it's still cylinder 4 not kicking in Had a diagnostic a couple of days ago which came up with a p1320 code, IGNITION SIGNAL PRIMARY, this was before the new plugs and harness. Ran fine when I bought it last Saturday, idled beautifully on the sellers driveway, drove it for an hour and a half with no drama's including stop start traffic on the M25 and M1, then 8 miles from home, dropped to 5 and been there ever since. Any other suggestions?