How to Check Engine Light Codes Without a Scanner
RepairSmith
AUGUST 4, 2024
Here are some common reasons for a lit check engine light: Loose gas cap Bad O2 sensor (oxygen sensor) Failing catalytic converter Faulty MAF sensor Bad spark plug or spark plug wires Faulty ignition coil Damaged exhaust pipe Low fluid levels Electrical issues Let’s discover what can happen if you ignore the check engine warning light.
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