Skyline Is Playin Funy Buggers Again

[1234]

ok so it wasmis firing the other day and i made a thread about it. i changed my spark plugs. now it doesnt want to boost really. like it does sort of i can here the turbo spooling but its very resticted and stuggles to rev over 4000 revs especially in second gear upwards. ANNNNNNd its still mis firing. wtf so its actually worse now because b4 i could rev thru the rev range but not at full throttle now i cant get thru there at all no matter what it just starts mis firing. i checked my coil packs and the seemed all good. brand new plugs. could it be a tuning issue? some on has to of had this problem b4

[Rancher]

How is it when its cold? might be that your coil packs are breaking down from the heat. Check the resistance (there is a thread around somewhere that says how to) and go from there.

[1234]

had a bit of a search. nothing real clear. all i know is i changed my plugs and now its worse that what it was. running .08 gap on platinum plugs.

[1234]

anyone help?

[nsm034]

did it make any difference if you put the old ones back in ? might be a dodge plug or not in properly , but prob be more likely to be coil packs. How old is the car and kms ? but i'd be trying the old plugs in again before you fork out the $600 for new coils

[1234]

it was still mis firing with the old spark plugs. but it could rev out thru the rev range atleast. now it dowesnt even want o rev out properly

[yellowsubmarine]

yeah dude its either coil packs or spark plug ive had 3 skylines and i had both probs, with the spark plugs change the spark plug gap from 1.05 to 0.85 or 0.80 car stop mis firing and the other is coil pack its a common prob with skylines on the bottom of the coil pack were the rubber bits conect they sometimes get the smallest crack u can bearly see it what i did instead of forking out 600 bucks for coil packs was got a rubber gasket glue and smeard it all over the bottom half of the coil pack this prevent the spark from going out the crack on to the tapper cover . send me a msg on how u went with that

[1234]

im running my plugs at .8 already and still misiring. i checked my coil packs also and couldnt see any craks as i suspected this too.

[yellowsubmarine]

does it start to miss fire when it hits boost and then goes alright near rev limiter, trust me u can bearly see the crack if its coil packs, the other thing is that it could be shit fuel i bought some fuel in batemans bay and it was a independent shell station i whack some octane booster and then it ran alright.just a questoin did start to run crap after u filled it up and r u using 98 octane fuel

[1234]

using 98 always mis fired all the way thru the rev range ocne it starts