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ecm

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PCM vs. ECM: What's the difference?

ECMs (engine control modules) and PCMs (powertrain control modules) are both onboard computing systems in your car. One predates the other.

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i cannot find a used engine for my truck,will a engine from a grand marquis fit in the truck?

I looked up the two applications. Those two engines use completely different castings for both the heads and the block and the flywheel (flex plate) is different as well which will make it incompatible with your transmission. If you search...

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