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Question:

Code 1401-DMTL 2002 hyundai how do I fix it?

check engine light on - went to auto zone told me the code was 1401 DMTL what is this thing and does it need to be fixed, if so how do I fix it?

Answer:

Depending on what kind of creatures you want and how many, you might need a large tank (quite expensive) or you could have an itty bitty tank! Talk to the fish person at your local pet store! It always helps, and friends in the business are always nice!
Here is a really good link that tells you what you need and how much it can cost. Have fun!
DMTL in the module that controls the fuel evaporative system components. First thing before considering replacing the unit is to check the connectors. If you live in a area with lots of snow, the connectors plugging into the DMTL have a bad tendency to rust up causing bad connection and ultimately triggering the fault code. Clean the connectors and see if this fixes the problem. If not, just go to a junkyard and get another module (look for excessive rust). The DMTL module is located under the car, beside the fuel tank closer to the left rear wheel. Nothing else could cause this code to come up. I've seen it too often in the shop.

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