Quote:
Originally Posted by Sigh-on-Rice
Thanks for the info.
But I think my chirping noise went away.
I had chirping noise for over 600 miles.
I was hearing it every trip.
As long as the road is smooth and I'm in neutral at idling RPM, I could hear it even at 50 mph.
But once I switched from Chevron to Shell, I didn't hear the noise for the last 2 trips. 
I hope it stays this way forever  |
Curious...what octane grade were you using from Chevron?