+1 for the seafoam! it may not solve this problem but that sh*t works wonders!! the trick is dont leave it sit for 5 minutes or whatever the can says, leave it for like a few hours. the results will be much better that way. i treated my car a couple times recently through the brake booster line in the intake manifold and then i poured it in the gas tank as well. it now idles better, starts smoother, and my gas mileage seems a bit better too! its good stuff and only 6 bucks a can