Volvo All Engines (2004 Emissions) Fault Code: PID 94 FMI 7 Fuel Pressure (FP) Sensor
Fault Condition: The Electronic Malfunction Lamp (EML) will illuminate when the Fuel Pressure (FP) Sensor signal line voltage is less than 0.3 volts or greater than 4.75 volts. If the signal line voltage returns to between 0.3 volts and 4.75 volts the fault will become inactive.
Note: FMI 7 will set if the fuel pressure drops below:
14.5 psi (100 kPa) at 800 rpm
29 psi (200 kPa) at 1000 rpm
36.2 psi (250 kPa) at 1200 rpm
43.5 psi (300 kPa) at 1400 rpm
Nominal Fuel Pressure (FP) Sensor Parameters: 0.3–4.75 Volts.
Possible repairs:
Turn the ignition key OFF first.
1) Disconnect Engine Management System (EMS) Module connectors B. Check for continuity between Fuel Pressure (FP) Sensor harness connector pin 2 (signal line) and a good ground. If continuity exists, locate and repair the short circuit to ground.
2) Disconnect Engine Management System (EMS) Module connector B. Check for continuity between Fuel Pressure (FP) Sensor harness connector pin 1 (reference voltage line) and EMS Module harness connector B pin 17.
If there is NO continuity, repair the open in the harness reference voltage line.
3) Disconnect the Fuel Pressure (FP) Sensor. Disconnect Engine Management System (EMS) Module connectors A and B. Check for continuity between EMS Module harness connector B pin 16 (signal line) and all other pins in EMS Module harness connectors A and B. Visually check EMS Module connector B pin 16 for a short circuit. If continuity exists or if there is a visual short, repair the short circuit to the signal line. If there is NO continuity or visual short, replace the EMS Module.
4) Disconnect the Fuel Pressure (FP) Sensor and the Engine Management System (EMS) Module connector B. Check for continuity between Fuel Pressure (FP) Sensor harness connector pin 2 (signal line) and EMS Module harness connector B pin 16. If there is NO continuity, repair the open in the harness signal line.
5) Disconnect the Fuel Pressure (FP) Sensor and the Engine Management System (EMS) Module connectors A and B. Check for continuity between EMS Module harness connector B pin 17 (reference voltage line) and all other pins in EMS Module harness connectors A and B. Visually check EMS Module connector B pin 17 for a short circuit. If continuity exists or if there is a visual short, repair the short circuit to the reference voltage line.
If there is NO continuity, visual short or loose, corroded and damaged terminals, replace the EMS Module.
6) Disconnect Engine Management System (EMS) Module connectors A and B. Disconnect the Fuel Pressure (FP) Sensor. Check for continuity between EMS Module harness connector B pin 17 (reference voltage line) and all other pins in EMS Module harness connectors A and B. Visually check EMS Module connector B pin 17 for a short circuit. If continuity exists or if there is a visual short, repair the short circuit to the reference voltage line.
If there is NO continuity or visual short circuit, replace the EMS Module.
7) Visually inspect both sides of the Fuel Pressure Sensor connector for a repairable open. If any of the pins feel loose or an open is found, replace the Fuel Pressure (FP) Sensor.
8) Disconnect Engine Management System (EMS) Module connectors A and B. Disconnect the Fuel Pressure (FP) Sensor. Check for continuity between EMS Module harness connector B pin 18 (ground line) and all other pins in EMS Module harness connectors A and B. Visually check EMS Module connector B pin 18 for a short circuit. If continuity exists or if there is a visual short circuit, repair the short to the return line. If there is NO continuity or visual short circuit, replace the EMS Module.
9) Visually inspect both sides of EMS Module connector B pin 11 for a repairable open in the signal line. If a repairable open is found, repair or replace EMS Module harness connector B.
10) Remove the Fuel Pressure (FP) Sensor. Connect the Fuel Pressure (FP) Sensor to a regulated air supply with an accurate pressure gauge. Connect a jumper wire between Fuel Pressure (FP) Sensor pin 1 and pin 1 on the
sensor harness connector. Connect a jumper wire between Fuel Pressure (FP) Sensor pin 4 and a good ground. Turn the ignition key ON. Measure the voltage between Fuel Pressure (FP) Sensor pin 2 and a good ground at
various pressures between 0 psi and 101.5 psi.
11) Visually inspect both sides of EMS Module connector B pin 18 for a repairable open in the ground line. If a repairable open is found, repair or replace EMS Module harness connector B. If the pin is making good contact, replace the EMS Module.
Related
-
Eaton Service Ranger 4.9 Engineering 4.9 [05.2021] Engineering Level ( 1 PC )
Eaton $67.00Rated 0 out of 5 -
2021 VOLVO PREMIUM TECH TOOL PTT V2.8.21 VCADS+DEVELOPER TOOL+APCI 2021/09 ( 1 PC )
Trucks software $85.00Rated 0 out of 5
-
Volvo Impact 2021 Trucks & Buses 06.2021 DVD 9116 Spare Parts Catalog
Trucks software $55.00Rated 0 out of 5 -
Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
Trucks software $143.00Rated 0 out of 5 -
JOHN DEERE SERVICE ADVISOR 5.3.225 DATABASE AG + CF ENGLISH 2023
John Deere $250.00Rated 0 out of 5 -
PF Diagnose 2.0.2.23 Diagnostics Software 2013 – Full Heavy & Medium Duty with OBDII Support – Online Installation Service
PF Diagnose $60.00Rated 0 out of 5 -
DOWNLOAD Paccar ESA Electronic Service Analyst 5.5.0 Diagnostic Software 2023
PACCAR $96.00Rated 0 out of 5 -
Eaton Service Ranger 4.9 Engineering 4.9 [05.2021] Engineering Level ( 1 PC )
Eaton $67.00Rated 0 out of 5
Related products
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1016 Class 2 J1850 (Class 2) Powertrain Controller State of Health Failure
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P1892 Throttle Position Sensor Pulse Width Modulation (PWM) Signal High Input
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1041 J1850 (Class 2) ABS Controller State of Health Failure
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0871 Transmission Pressure Switch Solenoid E Circuit Stuck Open
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P1891 Engine Throttle Position Sensor Pulse Width Modulation (PWM) Signal Low Input
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: U2105 CAN Bus ECM Error
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 P0719 Brake Switch ABS Input Low
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: U0073 CAN Bus Reset Counter Overrun
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P2771 Four-Wheel Drive Switch Circuit
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P2810 Solenoid G Electrical
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0870 Transmission Pressure Switch Solenoid E Circuit
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1300 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00Rated 0 out of 5 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0848 Transmission Pressure Switch Solenoid D Circuit High
1000 & 2000 Gen 4 $50.00Rated 0 out of 5
-
SERVICE MANUAL International Engines MaxxForce 11 & 13 (2014 & Newer)
INTERNATIONAL ENGINES $20.00Rated 0 out of 5