Quote:
Originally Posted by jay4500
every day driving I only average 20.5 mpg
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I'd kill for that. I average 15.
Come to think of it, it MIGHT be a lifter/rocker arm problem... But I doubt it. In my Cobalt I managed to snap 2 rocker arms and was running on 3 1/2 cylinders for several months. I knew something was wrong and that car was ticking and would flash a CEL above 5000rpms. But below 5k rpms is was fine. I had a small loss in gas mileage as well. What I'm getting at is that my engine makes a small ticking noise and I can't tell whether its normal or not.
When my Cobalt had the ticking noise, car experts of 30+ years told me it was normal and I knew it wasn't. When I popped the valve cover off and saw metal pieces sitting there, I knew I was right.
Any other possible suggestions? I think I'm just going to get a good oil change but Seafoam it right before I do.