VolvoElectrical Parts

yoHW16725114 — Throttle Position Sensor 3985226 85109590 For Volvo Truck Fh Fh12 Fh16 Fm Fm12 Nh12 Vah Vhd Vn Vt

This part is a Throttle Position Sensor (TPS), which measures the exact position of the throttle pedal or throttle body butterfly valve. It sends this crucial information to the engine control unit (ECU) to regulate fuel injection and ignition timing for optimal engine performance and fuel economy. A malfunctioning TPS may exhibit erratic readings or fail to send a signal, leading to poor acceleration, rough idling, or the engine entering a 'limp home' mode, which an operator might notice as a lack of engine power or inconsistent throttle response.

Throttle Position Sensor 3985226 85109590 For Volvo Truck Fh Fh12 Fh16 Fm Fm12 Nh12 Vah Vhd Vn Vt – Part No yoHW16725114 – 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 (TPS)
MaterialPlastic and Electronic Components
ApplicationEngine Management System
Service LifeReplace as indicated by diagnostic codes or performance issues
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Symptoms of a failing throttle position sensor often include hesitant acceleration, rough idling, stalling, or the engine warning light illuminating. If the sensor provides erratic signals, the engine may surge or lose power unexpectedly. Continued operation with a faulty TPS can lead to poor fuel economy and potential drivability issues, making the vehicle difficult to operate safely.

Installation Tip

Before removing the old sensor, ensure the throttle body is clean and free of carbon buildup that could interfere with the new sensor's operation. Do not force the sensor onto the throttle shaft; it should typically slide or clip into place without significant resistance.

Service Note

When replacing the throttle position sensor, it is advisable to also inspect and clean the throttle body and check the condition of the accelerator pedal assembly.