Quote:
Originally Posted by flash02
Removed and cleaned both the crank and cam position sensors, crank sensor was nasty, cam was fairly clean. Start-up is Much smother and quicker, hesitation is still there, going to look at fuel pressure as I've read that can also be a cause to the Subaru stutter/hesitation.
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Regarding hesitation, you can also check MAF (swap with a buddy with a 02-07 WRX or STI), spark plugs and fuel filter. In my case I had a faulty MAF but the problem only completely disappeared after changing plugs.