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 Data Parameters
2010 Saab 9-5SECTION 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. |
RENDER: 1.0x
NO RELATED
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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.