Accent p1401 code
I wonder if anyone has the definitive answer on what the remedy is for this code on a 2003 Accent. There seems to be numerous ideas on the net, from the code not existing to a dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma). If the later is correct, could someone tell me what and where this air pump motor is located.
Thanks for any info. |
Emission Control System > Evaporative Emission Control System >
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Originally Posted by spruce capital
(Post 19406)
I wonder if anyone has the definitive answer on what the remedy is for this code on a 2003 Accent. There seems to be numerous ideas on the net, from the code not existing to a dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma). If the later is correct, could someone tell me what and where this air pump motor is located.
Thanks for any info. The diagnosis module comprises an electromechanically driven pump together with a change-over valve and heater. The engine management system measures the pump's electrical current consumption while pumping air into the canister and fuel tank to check the system's leakage. If the electrical current consumption is over the threshold value specified before in the memory, this means that there is a tank-system leak. |
Originally Posted by ken99
(Post 19407)
From http://www.hmaservice.com/
The diagnosis module comprises an electromechanically driven pump together with a change-over valve and heater. The engine management system measures the pump's electrical current consumption while pumping air into the canister and fuel tank to check the system's leakage. If the electrical current consumption is over the threshold value specified before in the memory, this means that there is a tank-system leak. |
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Originally Posted by spruce capital
(Post 19427)
Seeing as it is associated with the fuel tank, I assume that it is somewhere near the tank? Anyhow I will have a look for it. Thanks again for the info.
Good luck. |
was this issue ever resolved? Im having this same issue but the car runs fine. Thanks!
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dt-ml
how do symptoms manifest in the vehicle and what must be done to correct this?
MARK |
Originally Posted by mark101976
(Post 24774)
how do symptoms manifest in the vehicle and what must be done to correct this?
MARK |
How difficult would it be to replace it oneself?
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Pretty easy,, have new part in hand, and un-bolt & unplug accordingly to to place old part in your hand.. It's under the car at left rear along with the evap canister.
Without functioning DMTL, the car will not complete an EVAP self test, so on comes the MIL. |
I'm not familiar with some of these terms, what is the MIL? and if I replace the DMTL will the p1401 code go away?
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