CATElectrical Parts

266-1466 Throttle Position Sensor — Cat 623B 639D

This throttle position sensor precisely measures the angle of the throttle pedal, sending this critical data to the engine control unit (ECU) for accurate fuel and air mixture adjustments. It is manufactured to meet stringent OEM standards, ensuring reliable performance that surpasses a worn sensor exhibiting erratic readings. Operators may notice inconsistent engine power, hesitation during acceleration, or the illumination of the 'check engine' light when this sensor begins to fail.

Throttle Position Sensor – Part No 266-1466 – CAT Spare Part
Part Specifications
BrandCAT
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, metal, electronic components
ApplicationEngine throttle control 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 include intermittent hesitation or stumbling during acceleration. If left unaddressed, the engine's performance will become increasingly erratic, leading to unpredictable power delivery. Continued operation with a faulty sensor risks poor fuel economy and potential engine stalling in critical situations.

Installation Tip

Clean the throttle body and linkage thoroughly before installation, as any debris can affect sensor operation. Avoid over-tightening the sensor mounting screws, as this can damage the sensor housing or strip the threads.

Service Note

Inspect the wiring harness and connectors for any signs of damage or corrosion, and check the throttle linkage for smooth operation.