Sonata hard to start stumbles on passing gears


Asked by Jul 19, 2015 at 06:02 PM about the 2012 Hyundai Sonata SE

Question type: Maintenance & Repair

Cars not starting well

1 Answer


First try doing some maintenance things on it. Check air filter and clean throttle body, clean or replace Idle Air Control valve or Mass Air Flow sensor, replace fuel filter if have not done so in a while and add fuel injector cleaner to gas tank.

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