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ODBII diagnostic - 6G Celicas Forums

Topic #37440 2 posts Started by tovejas
my engine light is on so i just did a ODBII diagnostic on my car and the code read P0401 (EXHAUST GAS RECIRCLULATION INSUFFICIEANT DETEDTED). does anybody know what i should need to do to fix this problem? would it be anything major because somedays the engine light disappears. help...thanks