I just changed my alternator my battery gauge hits the 18 volt and now my car won't accelerate but the car stays running.
Mar 30, 2021 at 10:55 PM
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STRAILER
✓Experienced Mechanic
55,628 POSTS
18 volts is too high. can I ask which brand you used for the rebuilt alternator? I would use a Denso unit. Also lets run the codes to see what comes up.