Engine Noise
So driving down the road and if I keep the RPMs at 1100 I start to get a "clicking" noise from under the hood. It goes away if I give it some more throttle. Some times there is no throttle response and it then jumps up to 2200 RPM
04 FX4 5.4L
Any ideas?
04 FX4 5.4L
Any ideas?

