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R33 Gtst S2 Wont Start


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Ok driving around last night and car started running rough and then 1 loud backfire n that was it turned off and didnt start again.

It kicks over and over and over but nothing.

Things Iv tried...

Tried to restart...Nothing but seems to struggle...Starting starting then a miss starting starting miss

Unplug CAS starting smooth all the way through till I stop starting.

Plug CAS up Unplug coilpack loom (back of engine) same as the first one starting starting then a miss starting starting miss

Plug and unplug CAS and can hear the fuel/ticking of injectors.

I havnt looked for spark yet

ALl fuses are fine nothing blown

ECU faults came back 12 and 21 which is (12 AFM) and (21 Ignition Signal)

So my question is...Do you think my CAS is rooted?

I dont know many people here in town with Skylarks n shit so I got buckleys chances to try another b4 I buy.

CAS has been put back together without the cam gear timing cover on there and I once read somewhere that you should

space the CAS out to compensate for the cover NOT being there (I didnt do)

CAS doesnt have any slop in it, the shaft spins but not freely on its own but if you hold the shaft and spin the larger

part it spins fine.

If its CAS ill be sure to add in washers to conpensate for the loss of the cover not being there next time round.

Any input will be great thanks lads, like I said Im sure its CAS related. I dunno why the ECU is throwing in the AFM aswell

but if I find a cheap S2 AFM ill prolly grab it at the same time for peace of mind.


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I got a mates CAS here tonight so Ill give it a go tomorrow arve and post wat happens.

Didnt feel like sharing my blood with the mozzies tonight haha.

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my mates CAS solved the problem.

Clearly if you plan on taking the cam cover off and leaving them off space them out with a small washer

to compensate for the lack of the cam cover.

Next thing to tackle...100k service.

Cheers for the help


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