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.
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HOMESERVICE MANUALSVOLVO1987240 GL, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENT PANEL - STANDARDTESTINGFUEL GAUGE SENDING UNIT RESISTANCESNOTES
1987 Volvo 240 GL, 4D Sedan, Standard
Fuel Gauge Sending Unit Resistances: Notes
1987 Volvo 240 GL, 4D Sedan, StandardSECTION Notes
740, 760 & 780 SERIES FUEL GAUGE SENDING UNIT RESISTANCE
| Float Position | Ohms | |
|---|---|---|
| Primary Tank | ||
| 8.4" (213 mm) | 34-38 | |
| 5.6" (142 mm) | 61-69 | |
| 3.6" (91 mm) | 86-98 | |
| 1.8" (46 mm) | 130-146 | |
| 1.2" (30 mm) | 156-176 | |
| 0" (0 mm) | 281-311 | |
| Secondary Tank | ||
| Top | 1 | |
| Bottom | 18 | |
240 SERIES FUEL GAUGE SENDING UNIT RESISTANCE
| Float Position | Ohms | |
|---|---|---|
| Primary Tank | ||
| 7.5" (191 mm) | 35-45 | |
| 3.3" (84 mm) | 84-112 | |
| .60" (15 mm) | 197-250 | |
| 0" (0 mm) | 234-333 | |
NOTE:
Secondary fuel tank sending unit is connected in series with primary fuel tank sending unit. Add primary tank sending unit resistance to secondary tank sending unit resistance to get total resistance for circuit.
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.