Wondering Why Your RPM Needle Is Dancing? | ER AutoCare

Author : ER auto care | Published On : 31 Jan 2024

Your tachometer needle is dancing up and down possibly because you have a problem with your fuel injectors. If they are leaking fuel into the combustion chamber, this will cause your engine’s RPMs to rev higher than normal. The more common reason why your tachometer needle is dancing up and down, however, is that your engine has a vacuum leak.

For More Info:- dancing rpm needle