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Changed ECM i changed my ecm on my Monte Carlo bc I was having a ton problems: ran really bad, gas use was extremely poor, car would crank for few secs then cut right back off couldn't get it to stay running, etc. I changed it and took fuses out to reset ecm to my car, but it's still not right. It overheated and pushed all coolant in my car back into the coolant reservoir, not sure why. But I don't have a clue as to what I need to do next please help

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Hi Melissa.
Replacing the ECM solve the other problems.
You still have one problem to solve witch is the overheating.
is that correct?
if so, start by replacing the radiator cap.
Good luck

Posted on Apr 26, 2015

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Posted on Jan 02, 2017

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