Question about 1989 Cadillac Sedan DeVille

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How to get fuel injecter to work - 1989 Cadillac Sedan DeVille

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Hi Tiffany , Is there battery voltage on one terminal at injector ? The other side the engine computer switches ground on an off very quickly , this is called PWM - pulse width modulation ! There is a transistor is the engine computer that does this ! So don't just replace it without knowing if there is power an the computer is turning it on an off ! This vehicle has two injectors TBI throttle body injection ! Is only one not working ?

Posted on Apr 07, 2015

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Replace it

Posted on Apr 07, 2015

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Posted on Jan 02, 2017

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