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Chevrolet Camaro Z/28 Questions

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I recently put a running tpi system from another camaro in mine. It starts off the 9th injector for cold start I beleive. Then dies off after 2 or 3 seconds. Does this over and over. I have 40 lbs psi to my fuel rail. Good spark. But I do not have pulse at my injectors. I can not figure out why I am getting no pulse. I have been watching videos of this problem and can't seem to get it figured out. Any suggestions?
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