Details

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Toyota Part Number 89661-F0220 is a genuine OEM Engine Control (ECU / ECM) unit designed for Toyota Hilux (GUN series) diesel engines. Manufactured to Toyota’s strict standards, this control unit ensures reliable performance, optimal engine management, and compliance with emissions regulations.

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Specifications:

• Part Name: Engine Control / Computer Engine Control Unit (ECU / ECM)

• OEM Part Number: 89661-F0220

• Brand: Toyota Genuine Parts

• Material / Build: High-quality electronic module, sealed for protection

• Origin: Japan (“Made in Japan”) Mag Engines+2Amayama+2

• Weight: Approx ~1.2–1.5 kg depending on packaging Amayama+2Mag Engines+2

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Vehicle Compatibility:

• Toyota Hilux GUN125 (Diesel) toyotahiluxpart.com+1

• Likely other Hilux / 4Runner models using the same engine control system (verify with VIN / engine code) MegaZip+1

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Functions & Benefits:

• Manages fuel injection, ignition timing, and other engine parameters to ensure smooth operation and reliable power delivery PartSouq+1

• Improves fuel efficiency and helps reduce emissions by optimizing engine air-fuel mixture and combustion cycles PartSouq

• Helps maintain stable idling, acceleration, and overall engine responsiveness

• OEM accuracy ensures compatibility and reduces risk of engine faults or check-engine light triggers

• Robust design to withstand vibration, heat, and moisture (as expected from factory ECU modules)

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Common Symptoms of a Failing ECU (for Customer Awareness):

• Engine misfires, rough idle or stalling

• Poor acceleration or inconsistent power delivery

• Vehicle may not start or may show “Check Engine” warning continuously

• Abnormal fuel consumption or failed emissions test

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Usage & Installation Notes:

• Must be matched with vehicle’s VIN / engine code to ensure correct programming and compatibility

• When replacing, often advisable to have diagnostics done to verify ECU is actual failure

• Installation by qualified automotive electrician or technician recommended