VolvoElectrical Parts

20893503 — Throttle Position Sensor 3985226 85109590 For Volvo Truck Fh Fh12 Fh16 Fm Fm12 Nh12 Vah Vhd Vn Vt

This throttle position sensor is a critical component of your vehicle's engine management system, accurately measuring the throttle pedal's position to inform the engine control unit (ECU). It ensures optimal fuel delivery and engine performance by providing precise feedback, unlike a worn sensor which can lead to erratic readings. Operators may notice poor acceleration, inconsistent engine speed, or illumination of the check engine light when this sensor begins to fail.

Throttle Position Sensor 3985226 85109590 For Volvo Truck Fh Fh12 Fh16 Fm Fm12 Nh12 Vah Vhd Vn Vt – Part No 20893503 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryElectrical Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeThrottle Position Sensor
MaterialPlastic, electronic components
ApplicationEngine management system
Service LifeReplace as needed based on diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing throttle position sensor can include rough idling or hesitation during acceleration. If left unaddressed, the engine may experience unpredictable power delivery and increased fuel consumption. Continued operation with a faulty sensor can lead to drivability issues and potential diagnostic trouble codes that may prevent the vehicle from operating.

Installation Tip

Before installing, ensure the new sensor is calibrated to the throttle body to prevent immediate performance issues. Avoid overtightening the mounting screws, as this can damage the sensor housing or the throttle body.

Service Note

Inspect the throttle body for carbon buildup and clean if necessary during sensor replacement.