* A blown fuse: Check your owner's manual for the fuel pump fuse location and replace it if necessary.
* A faulty fuel pump relay: This relay acts as a switch for the fuel pump. A bad relay needs replacement.
* A problem with the fuel pump itself: This requires professional diagnosis and replacement.
* A problem with the fuel pump control module (PCM or ECM): This is a more serious issue requiring a diagnostic scan tool to pinpoint the exact problem and possibly professional repair.
If your Chevy's fuel pump isn't working, do not attempt any "resets". Instead, systematically check these components:
1. Check the fuel level: Make sure you actually have gas in the tank. Sounds obvious, but it's a common oversight.
2. Check the fuel pump fuse: Locate the fuse in your fuse box (under the hood or inside the cabin, consult your owner's manual). Check for a blown fuse (a broken filament inside). Replace it with a fuse of the same amperage.
3. Listen for the fuel pump: Have someone turn the ignition key to the "ON" position (don't start the engine). You should hear a brief whirring sound from the fuel pump area (usually near the fuel tank). If you don't hear it, this points to a fuse, relay, or pump problem.
If you've checked these and the fuel pump still isn't working, you'll need professional help. A mechanic can diagnose the problem using a scan tool and determine whether it's a simple fix (like replacing the relay or pump) or a more complex issue (like a faulty PCM). Trying to fix a complex electrical issue without the proper knowledge and tools can be dangerous and potentially damage other components.
