ECU Guides
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How to Buy the Right Replacement Module for Your Mazda PCM
A small guide to finding the exact Part Number of your Mazda PCM.
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How to Buy the Right Replacement Module for Your GM PCM
A small guide to finding the exact Part Number of your GM PCM.
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How to Buy the Right Replacement Module for Your Chrysler PCM
A small guide to finding the exact Part Number of your Chrysler PCM.
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1999 Ford Truck (F-Series) 7.3L F81F-12A650-BF – PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 1999 Ford Truck (F-Series) 7.3L Engine Computer.
Ford
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1999 Jeep Grand Cherokee 4.0L – PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 1999 Jeep Grand Cherokee 4.0L Engine Computer.
Jeep
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2002 Dodge Durango 4.7L 56029202AA – PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 2002 Dodge Durango 4.0L Engine Computer.
Dodge
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2004 Jeep Grand Cherokee 4.0L 56044563AG – PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 2004 Jeep Grand Cherokee 4.0L Engine Computer.
Jeep
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2002 Jeep Liberty 3.7L 56041606AG – PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 2002 Jeep Liberty 3.7L Engine Computer.
Jeep
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1998 Jeep Grand Cherokee 4.0L 56044513AC 05014152AA- PCM ECM ECU Control Module (Engine Computer) Replacement
A step by step guide to locating and replacing a 1998 Jeep Grand Cherokee 4.0L Engine Computer.
Jeep
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Achtung, Engine Control Unit!
Today's ECU's (Engine Control Units) go back a long, long way, all the way back to World War II -- and they've come an even greater distance, transforming from analog electro-mechanical contraptions to the real-time time and lifesavers of today.