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1983 s10 p.u. wont let fuel out of injector ive replaced fuel pump injector tps cpu

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It sounds like that the security system has encountered a problem...Did you notice a light coming on the dash saying security? Your ignition ,all though no chip in key,references to a security module...what this does is tell the computer that the same key is being used to start vehicle...The condition that would come from this problem would be a crank with a know start condition....the security system actually shuts down the injectors if reference signal isnt recognized.POST IF THIS IS THE CONDITION YOU ARE EXPERIENCING>>>

Posted on Apr 04, 2011

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