Nakley | Free HD Wallpapers, Background Images
> can a bad water pump cause rough idle. 16 september 2021 16 september 2021 / can a bad water pump cause rough idle. Yes, because if your fuel pump is not providing the correct fuel pressure then the wrong amount of fuel will be delivered to your engine so when you put your foot on the go faster pedal your pump can not keep up with the required fuel demand. When the car has a faulty coil, it will experience a rough idle, misfire, loss of power, trouble accelerating, and poor fuel economy.