Depending on the design of the module and vehicle, you may need to perform some modifications. Universal fit ECMs are compatible with multiple vehicle models. Installing a direct-fit part should be straightforward it will fit in the same space as the old computer and use the existing connectors. Most engine control modules are designed for a specific model. Remanufactured modules are just as good as newly-made counterparts, and they are a great budget-friendly option. Meanwhile, a remanufactured module is an older but perfectly usable computer that went through a thorough upgrade process to let it compete with more modern parts. A new module is built from brand new components and materials.
To make things easier when shopping for a replacement engine control module, here are some factors you should consider: ConditionĮngine control modules come in either new or remanufactured condition. Things to Keep in Mind When Shopping For a Replacement Engine Control Module If you know what you’re doing, it’s possible to tweak the program to get the most out of performance parts in heavily-customized vehicles. Then it activates the ignition coils to transform the battery’s voltage to the high amount needed to fire off the spark plugs and burn the fuel-air mix.Īside from making sure the engine parts work in the right way, the engine control module stores program instructions on the safest and most efficient way for the engine to run. It uses the information to adjust the amount of fuel and air entering the engine’s cylinders to create the right mixture. For example, the module receives input from the oxygen sensors in the exhaust system that the current fuel-air mix didn’t burn properly. The ECM oversees the operation of various engine parts based on the information it gets from the various sensors in the engine and exhaust system.
If it also controls the transmission, the module is considered a powertrain control module (PCM). Abbreviated as ECM, it also goes by other names like digital motor electronics (DME) and engine control unit (ECU). The engine control module is the electronic brain that operates the engine.
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