Last night checked the codes, DM Code 1, Pin 8 Code 1, but the check engine light is not turning off. Removed the key, check engine light stayed on.

Disconnected battery, after reconnection, the check engine light did not come on at all. Even with the key in the on position.

Went to DM, got code 1 again. Check engine light came on, won't go off.

Checked in the morning, check engine light was still on, with no key in the ignition.

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Zafar
94 E320 58000 Miles