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Yes, two, there are located in the throttle body.

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Q: Did the 1989 Chevy s10 4.3 have fuel injectors?
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Where is the fuel injector in your 1989 Chevy blazer S-10?

Assuming that S10 has a 4.3 L engine with TBI (Throttle Body Injection), the fuel injectors (two of them) are located in the throttle body.


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It is under the air cap and behind the fuel injectors.


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