I have a 92 chevy blazer vortec will turn over but have no fire to the injector plug on top of the intake

Asked by Bill Nov 07, 2014 at 08:29 AM about the 1992 Chevrolet S-10 Blazer

Question type: Maintenance & Repair

8 Answers
60,425

Andrew answered 9 years ago

The injector is inside the intake of the 92 4.3 vortec. There is a component on the top known as a tuning valve with a 2 wire connector. That isn't an injector

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Mark helpful

Bill answered 9 years ago

Ok but the plug with the two wires that go into the intake cover i have no fire to that plug

Mark helpful
60,425

Andrew answered 9 years ago

The injectors pulse. I don't belive you can read them with a voltmeter. Do you have spark and fuel pressure?

Mark helpful

Bill answered 9 years ago

Yes have spark and fuel pressure it will start if they take the pvc hose and put it in a bottle of gas

Mark helpful
60,425

Andrew answered 9 years ago

How much fuel pressure do you have? The injectors won't work under 50psi

Mark helpful

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