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I have a bit of a problem with my 32 GTR when it is cold it starts and runs perfectly and no issue on boost. Only problem is after about 15 mins of driving it misfires under boost and when i turn it off it wont start again. It sounds like its got no fuel or spark but its getting fuel to the rail.

It winds over fast and then seems like it wants to go then just keeps winding over. But when i let it cool down for a bit it starts again without too much hesitation.

Its running a Power fc

Any help would be appreciated

Ignitor pack or CAS would be the two likely suspects given what you have said.

More so Ignitor pack as you say its angry when warm, this is the most common symptom.

To check, get some freeze spray from Dick Smith or something, and spray the ignitor box (black rectangular box at the rear most part of the valley cover)... if it springs to life after an immediate cooldown then thats 110% your problem

looks like it is the ignitor pack. i took it for a drive yesterday and when i got hot and wouldnt start i removed the ignitor pack and let it cool down for 5 mins put it back on and it started straight up.

Are the ignitor packs readily available or can you buy them new from nissan?

Nissan want $900

I think UAS (Unique Auto Sports) do a reco change-over for about $350 which is pretty resonable.

Otherwise... a 2nd hand one... you could have the same problem again in 6 months ;)

thanks for your help mate. I brought one off ebay for $130 so ill see how that goes. And if it fixes the problem than i at least have a spare that i will get exchanged.

I went for a drive before to a mates house to try his ignitor which is differant so it didnt work and then when i finally got it going again it was only running on 4 cylinders. So im just waiting for it to cool down and ill see if it will start.

I need it running properly for next weekend ill be taking it to WSID for a full day

well ive replaced the coils, ignitor pack and the coil loom isnt much good im off to just jap to get one of them in the morning. The issue with it misfiring under boost may be fixed but still no spark on number 4 coil. ive tested the loom and all the joins etc are ok.

Any idea on what would be causing it to not spark on the one cylinder?

just had an auto electrician look at the car all the wiring is ok looks like the power fc is rooted. there is no output on one of the coils from the computer. Im going to pick up the standard one from the previous owner and see if that fixes it

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