Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuel Pump Flow Control Module Scan Tool Information
2004 Oldsmobile Bravada AWDSECTION Fuel Pump Flow Control Module Scan Tool Information
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fuel Pump Flow Control Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral | |||
| Desired Fuel Rail Pressure | - | 306.8 kPa (44.5 psi) | This displays kPa (psi). This is the desired fuel rail pressure. |
| Fuel Pump Command | - | On | The scan tool displays On or Off. This is the current state of the fuel pump command. |
| Fuel Pump Signal Command | - | Varies | This displays %. This is the commanded fuel pump signal measured in percentage. |
| Fuel Rail Pressure Sensor | - | 296.4-310.3 kPa (43-45 psi) | This displays kPa (psi). This is the current pressure at the fuel rail pressure sensor. |
| Fuel Rail Pressure Sensor | - | 4.90-5.01 Volts | This displays Volts. This is the fuel rail pressure sensor voltage. |
| Ignition 1 Signal | - | Varies | This displays Volts. This is the current ignition 1 signal. |
| LT Fuel Pump Trim | - | Varies | This displays a numeric value. This is the long term (LT) fuel pump trim. |
| ST Fuel Pump Trim | - | Varies | This displays a numeric value. This is the short term (ST) fuel pump trim. |
Fuel Pump Flow Control Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Fuel Pressure Control | This output control is used to control the fuel pressure. |
| Fuel Pump | This output control is used to command the fuel pump ON and OFF. |
| Fuel Pump Trim Reset | This output control is used to reset the fuel pump trim. |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.