Question about 1989 Chevrolet Caprice

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I have a 1989 chevy caprice wit a fuel injected 350. I replaced the fuel pump and the fuel pump relay. I also changed every fuse in the inside of the car. I have gas coming up to my throttle body. But the car won't unless I spray carb cleaner in it. And it doesnt crank everytime.. But it runs a while then kills. But while its run'n I don't see any gas shooting out of the injectors. What could be my problem??

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The injectors on a TBI are going to spray gas only when the engine cranks over not when the key is turned on. With that said you may have a bad pressure regulator in the TBI. The rubber in it may have a hole in it not allowing it to build pressure for the injectors. However, before doing that I would check to be sure I had power to the injectors. You can purchase a noid light at the parts store and check to ensure you have power to the injectors in the TBI they are not that much.

Posted on May 06, 2015

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You may wanna replace your injectors them self

Posted on May 27, 2011

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