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power loss c63s

Old Jun 9, 2022 | 03:41 PM
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power loss c63s

my cars engine / power data display is showing 250 hp but when i step on it completely the torque and the hp both don’t go over 400 it fluctuates all over the place from 330 to 390 . considering this car makes 500 hp stock do you know why this may be happening? any help thanks.
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Old Jun 9, 2022 | 06:14 PM
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Your car is in limp mode. Scan for codes to see if there are any errors which would cause limp mode to kick in in order to protect the powertrain. Also a common cause of the limp mode is if you had low battery or electric failure at one point and then it goes into power limp mode which a dealer needs to reset.
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Old Jun 9, 2022 | 06:15 PM
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Originally Posted by superswiss
Your car is in limp mode. Scan for codes to see if there are any errors which would cause limp mode to kick in in order to protect the powertrain. Also a common cause of the limp mode is if you had low battery or electric failure at one point and then it goes into power limp mode which a dealer needs to reset.

yeah i have had a low battery at one point, how much do you think it’ll cost me?
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Old Jun 9, 2022 | 06:17 PM
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Originally Posted by cryjoeyy
yeah i have had a low battery at one point, how much do you think it’ll cost me?
Don't know. Depends on the labor rates in your area and how long they think it will take to diagnose and fix the issue.
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Old Jun 9, 2022 | 06:22 PM
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Originally Posted by cryjoeyy
yeah i have had a low battery at one point, how much do you think it’ll cost me?
****** Fifty bucks if you are in Philly.

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