Question about 1991 Chevrolet S-10 Blazer

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Fuel injectors and pump

My fuel injectors and fuel pump will not operate when I attempt to start the vehicle. All fuses are good and the computer seems to have no problems. what could possibly be the problem? The vehicle will start start up but shuts back down foe lack of fuel supply.

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Please follow the instruction to test the fuel in this link as this could the problem with fuel pump:,1621603/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c1528003d96e#hd1-1-1

Good luck...

Posted on Sep 15, 2008


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Determin if the injector operating:
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  2. Replace any injector whose resistance value does not fall within the specifications.
If the injector was not operating but the resistance reading was within specifications, the PCM Powertrain Control Module (PCM) or the circuit to the injector may be faulty.

Check the ignition fuse located in the engine compartment fuse center. Also. check the fuel pump relay.
Note: The fuel pump relay is located behind the radio in the center of the instrument panel.

If the relays are good and the fuel pump does not operate. check the fuel pump circuit. If the wiring and the connectors are
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