Eanh32 Posted September 12, 2023 Share Posted September 12, 2023 recently my legacy has started chugging when i gun it and stops going up at 4k rpms. i noticed that catalytic convert heat warning pop up for a second and goes away Does anybody know what this could be? im thinking my cat back failed but sometimes there are noises when i drive that sound like a pan full of screws being shaken around Link to comment Share on other sites More sharing options...
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