1. Listen for the pump: Have someone turn the key to the "ON" position (don't start the car). You should hear a brief whirring sound from the fuel pump in the back of the car near the fuel tank. Text someone nearby to ask if they hear it.
2. Check fuel pressure: This requires a fuel pressure gauge. Text someone who owns one to ask for help or if they can rent/borrow one to you. This is the most definitive test.
3. Check the fuel pump relay: Text a mechanic friend (or search online) to find out the location of the fuel pump relay in your car. Then, you can try swapping it with another relay of the same amperage (to rule out a faulty relay). Use texting to get help identifying the relay or to ask about the swap process.
In short, texting can help you *coordinate* troubleshooting, but the actual testing must be done in person using your ears (to listen for the pump) or tools (fuel pressure gauge).