B5.9G, B5.9LPG – Troubleshooting and Repair Manual – 200-001   Flow Diagram, Fuel System

Flow Diagram

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B5.9G

1. Remote mounted fuel filter
2. Fuel inlet
3. Pressure regulator
4. Fuel filter-internal (obsolete)
5. Fuel shutoff valve
6. Gas mass flow sensor
7. Jumper hose
8. Fuel control valve
9. Mixer
10. Throttle body
11. Intake manifold
12. Intake valve.

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B5.9G

1. Remote mounted fuel filter
2. Fuel inlet
3. Fuel filter – internal (obsolete)
4. Secondary pressure regulator
5. Fuel shutoff valve
6. Gas mass flow sensor
7. Jumper hose
8. Fuel control valve
9. Air/fuel mixer
10. Throttle plate

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B5.9G

11. Idle speed control valve
12. Intake manifold
13. Intake valve.

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B5.9LPG

1. Inline magnetic filter – OEM supplied
2. Evaporator regulator/shutoff valve
3. Engine mounted fuel filter
4. Screen pack
5. Gas mass flow sensor
6. Fuel jumper hose
7. Fuel control valve
8. Air/fuel mixer
9. Throttle plate
10. Intake manifold
11. Intake valve.

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B LPG Plus

1. Fuel supply
2. Check valve
3. Evaporator
4. Fuel filter
5. Fuel hose
6. Fuel housing
7. Fuel shutoff valve
8. Screen pack
9. Gas mass flow sensor
10. Fuel jumper hose
11. Fuel control valve
12. Air/fuel mixer
13. Throttle actuator
14. Intake manifold
15. Intake valve.

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B Gas Plus

1. Fuel supply hose
2. Fuel inlet
3. Fuel pressure regulator
4. Fuel hose
5. Fuel housing
6. Fuel shutoff valve
7. Screen pack
8. Gas mass flow sensor
9. Fuel jumper hose
10. Fuel control valve
11. Air/fuel mixer
12. Throttle actuator
13. Intake manifold
14. Intake valve.

SMALL | MEDIUM | LARGE

B Gas International

1. Fuel supply
2. Fuel filter
3. Fuel hose
4. Fuel housing
5. Fuel shutoff valve
6. Screen pack
7. Gas mass flow sensor
8. Fuel jumper hose
9. Fuel control valve
10. Air/fuel mixer
11. Mechanical throttle
12. Intake manifold
13. Intake valve.