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Not sure what motor you have but the 4.3 L vorteck has a spider injector underneath the intake so pull off the manifold to locate the injector. Its like 2 or 300 dollars to replace but a common problem for that year blazer

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โˆ™ 2007-03-06 18:38:05
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Q: How do you change the fuel injection on a 1994 GMC Jimmy?
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