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Discussion Starter #1
Is what one of my passengers side injectors is doing its clicking so hard that i can feel it all the way throgh the rails!

Does this mean its a poor connection or its reached the end of the road?
 

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its not, when i put a screw driver to the head and the other end on my ear i hear nothing unusal, no ticking but if i put the screw driver on the fuel rail and do the same thing you hear the tick pretty loud. I looked at an 84 AE today and when I started it up it had the same ticking on the same side and I could feel it on the fuel rail just like I can with mine.
 

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Pulsations at the rail (at least in a 280zx) are caused by a bad fuel damper unable to cope with the shock of all injectors firing at once.

I do not know if the z31 has batch fire or sequential injection.

Mario
 

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if the safty campaign was done on you r car than it fires one side then the other........ 1,3,5 fire at the same time, same with 2,4,6.......... im not sure how it fires before the safty campaign though... it might be the same... but im pretty sure they changed it.
 
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