My No.6 Cyl. Has Syphilus

[Rowdy]

G'day guys,

i picked up my new skyline (r32GTST with bigger turbo[10psi], FMIC, exhaust and intake.) last week and now its time to sort out the problems.

spent all morning trying to pinpoint why exactly the sixth cylinder is not firing. Tested for spark, and its fine. compression is fine.

i swappd the coils and plugs over to make sure, but the problem stayed with No.6. I verified this by disconnectig the No.6 coil

plug at idle and it made no difference to how the engine ran. . . so then i took the spark plug ot of No.6 and ran the engine. i

couldnt smell any fuel coming from the cylinder...

so this makes me think its a fuelling problem. am i right? or are there more tests i should do? if not, how do i test the fuel system?

lol where do i go from here

Thanks guys any help is appreciated!

Rowdy.

[fr0st]

Check the #6 injector. Does it tick? Is there 12v present when the ignition is on (and engine not running)?

[DRIFTER]

spray aerostart down the intake and see if it picks up. or swap #6 injector with #5 injector and the problem should swap cylinders.

[blind_elk]

Why don't you just ask the question once?

[GeeTR]

so this makes me think its a fuelling problem. am i right? or are there more tests i should do? if not, how do i test the fuel system?

Check if cyl 6 spark plug is wet with fuel.

[Stage2]

See if the injector is receiving any power. You can buy the tester for under $10. If it is receiving power I would get the injector flow tested.

[InterCooL]

shine a light down the spark plug hole after you have tried starting it / running it. it should be wet with fuel (if it isn't firing). if it's not wet, then swap it with a known working injector. if the problem stays with no. 6, then you'd have to check the wiring? :S