If you're experiencing fuel-related problems, you'll need a diagnostic scan to identify the issue. It's not a simple matter of adjusting a screw. The problem could stem from various components like:
* Mass Airflow Sensor (MAF): Measures the amount of air entering the engine.
* Throttle Position Sensor (TPS): Tells the computer the throttle's position.
* Oxygen Sensor (O2 sensor): Monitors exhaust oxygen levels to adjust the air/fuel mixture.
* Fuel injectors: May be clogged or failing.
* Fuel pump: Could be weak or failing.
* Computer module: May have a fault.
Take your truck to a mechanic or auto parts store that can perform diagnostics to pinpoint the problem.