2000 Kia Sephia LS - P1624/P0743/P0455 - Need help! - Kia Forum
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post #1 of 3 (permalink) Old 09-06-2011, 11:59 PM Thread Starter
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Default 2000 Kia Sephia LS - P1624/P0743/P0455 - Need help!

I just bought this kia sephia and it runs very well, but all of a sudden the O/D light came on and the check engine light came on. So I took it to autozone and had the codes ran and this is what I got back:

P0455 - EVAP emission system - leak detected - large leak
- faulty fuel cap
- leakage in emission system
- faulty vent solenoid

P1624 - Cooling fan relay circuit malfunction (low)
- open or short circuit condition
- poor electrical connection
- failed cooling fan low relay

P0743 - Torque converter clutch system circuit malfunction
- open or short circuit condition
- poor electrical condition
- failed torque converter clutch solenoid

I see the common statement appears to be electrical. The car shifts fine, does not wind out, I definitely feel it going through the gears ok. But I am definitely worried about it. Just not sure what to do from this point out. Any help or suggestions would be greatly appreciated. Thank you.
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post #2 of 3 (permalink) Old 10-05-2011, 03:02 PM
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I had a transmission control module alarm in my BMW a couple of years ago. I cleared it by removing and re-inserting the three fuses that control it. I would suggest you look up which fuses/relays pertain to those components and pull the fuses for them and reset them before doing anything else. Seems fishy to me that it is all electrical and all at once with things seemingly working well.

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post #3 of 3 (permalink) Old 10-05-2011, 03:21 PM
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First one, start out by buying a new gas cap, the seal fails, causes a leak then throws this code. 5 dollar fix, worst case, still have the code.
BUT reset the ecu after you install it. Disconnect neg. terminal on battery, get in try and start it and turn on all acc. Reinstall battery cable, start it up.

Try this before you do anything though, could be a fluke code where something went out of spec.

2nd, is the cooling fan turning on? Check to see its operation.

3rd, I don't know much about transimmision lol.

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