2007 subaru impreza STI erratic idle?

I was in training for a month and my car was not started for that whole time. when i got back i started it up fine but about a day later my car started to idle very strangely. it would go down to under 500 and then way up to 1250 then level out again while standing still at... Read More

  • I'm pretty sure the 05 and up are drive by wire so there is no Idle Air Control Valve. Does the Check Engine light ever flash? Cuz it sure sounds like it's misfiring just because of the smell. I'm guessing it's the smell of unburnt fuel you are smelling. Could try to clean out the MAF sensor and also check that all... Read More

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