89661-12491 | 1991 GEO PRIZM 1.6L ECM ENGINE COMPUTER PCM ECU PROGRAMMED PLUG&PLAY

Introducing the Engine Computer, alternatively known as the Engine Control Module (ECM), Engine Control Unit (ECU), and Powertrain Control Module (PCM). It serves as a reliable replacement tailored for all 1991 Geo Prizm PCM variants featuring a 1.6L engine, and specifically matching part number 89661-12491. Our 1991 Geo Prizm ECM is meticulously pre-configured to seamlessly integrate with your vehicle's unique VIN, enabling optimal inter-module communication. Furthermore, your unit will arrive pre-updated with the latest enhancements to fuel efficiency and overall performance, contributing to an optimized driving experience.No supplementary programming is necessary during the installation process.

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Important: We require your Vehicle Identification Number (VIN) for unit programming. While proceeding with the purchase, kindly input this number in the designated text field titled "Vehicle Identification Number (VIN)" situated within the Vehicle Information segment. *If your VIN is not readily available, there's no need to worry. You can conveniently provide it to us subsequently via email at info@uspartsinc.com or by phone at (917) 283-2158.

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EXPERTLY REFURBISHED AND RIGOROUS QUALITY TESTING: Every item is meticulously readied, meticulously examined, thoroughly renewed, and subjected to precision quality assessment by our certified on-site technicians. All evaluation and restoration processes are entirely conducted within our premises, guaranteeing a meticulous inspection of each item before it departs. This approach enables us to furnish items of unparalleled excellence at an exceptional value! Our comprehensive testing protocols ensure the resolution of common PCM concerns, encompassing:

• Electrical Anomalies
• Startup Failures
• Error/Fault Codes
• Intermittent Glitches
• Power Loss
• Absence of Ignition Signal
• Lack of Injector Activation
• Suboptimal Fuel Efficiency
• Transmission Shifting Irregularities

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WHY CHOOSE US:

• Great Value Across Different Industries
• No Requirement for Core Charge or Returns; Keep Your Original Unit Hassle-Free
• Guaranteed Authentic OEM Products; Refurbished and Carefully Examined
• Incorporates Latest Software Upgrade
• Simple Setup; No Additional Programming Required
• Readily Available Customer Support Team (via email, phone, live chat)

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