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If you have a vortec their is only one injector. It is located inside the throttle body. Called a spider and available only through dealer. Part retail $300

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โˆ™ 2007-07-31 04:43:36
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Q: How do you check a 94 Blazer S10 fuel injection system?
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Does a coolant hose go through the fuel injection system of a 2000 Chevy Blazer 4.3 liter engine?

No it does not.

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To my knowlege the spider fuel injector system came out in the 96 models. 1995 still had the throttle body injection.

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On the 4.3 vortec: to check for a leaking system, Remove plastic vortec cover, Then remove the round black thingy on the top and look in with a flashlight. It SHOULD be dry. If it is wet, you got a leak. Could be fuel pressure regulator (passenger side) or fuel line (driver side).

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I replaced the fuel pump and still my 94 Chevy blazer s-10 doesn't start any suggestions?

Research the passlock anti-theft system (it disables the fuel injection system). It is common for this to malfunction. All GM products are equiped with the system.

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