I've had my 2012 Dodge Challenger SXT (150,000mi) for almost 3 years and within the last couple of weeks noticed engine power loss as well as coolant loss. The coolant loss is not a slight loss in the reservoir but the reservoir being between a third full to almost empty a short time after being filled. I've gotten in the habit of checking the coolant levels before driving since I've started noticing the issue. I've taken it to the shop and they said that they cannot find a leak. In the last 3 days it has gotten worse and I've been through almost 3 gallons of coolant in that time. Additionally, when accelerating in 3rd/4th gear, the speed will increase slowly but my RPM's will not move past 2500-3000. Accelerating goes back and forth between smooth when it wants to be or a few second delay and then it kicks in while my gas pedal is on the floor. I'm just starting to get into the mechanical aspect and what to look for and when, but my knowledge at this point is at the beginning stages. Any recommendations or suggestions will be greatly appreciated.
Breezy_11
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