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
61,205

Andrew answered 10 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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Bill answered 10 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
61,205

Andrew answered 10 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 10 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
61,205

Andrew answered 10 years ago

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

Mark helpful

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