Dodge Neon SE 2003 problem is code P0440
The trouble code P0440 (https://www.yourmechanic.com/article/p0440-obd-ii-trouble-code-evaporative-emission-control-system-malfunction-by-jay-safford_2) means the Evaporative emission control system is malfunction. This malfunction may have been caused by a number of different things including, a loose or missing gas cap (https://www.yourmechanic.com/services/gas-cap-replacement), a vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak), a faulty purge...
I just bought a new [alternator](/topics-alternator-hyundai/) but my battery light is still flashing Mechanic's Assistant: Have you tested the battery? Have you tried testing the alternator? Yes Mechanic's Assistant:<...
I just bought a new [alternator](/topics-alternator-hyundai/) but my battery light is still flashing Mechanic's Assistant: Have you tested the battery? Have you tried testing the alternator? Yes Mechanic's Assistant: What is the make/model/year of your car? Hyundai sonato 2015 Mechanic's Assistant: Are you fixing your [Sonata](/topics-sonata/) yourself? What have you tried so far? No a mechanic Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? And a steering wheel symbol comes on with an exclamation mark comes on and blink