 insufficient EGR flow, P0401 |
 Mar 18, 2010 - 8:08 PM
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Enthusiast  Joined Jan 7, '10 From Greenville Ohio Currently Offline Reputation: 0 (0%)  |
So my 98 celica gt has been throwin me this code for about 2 weeks now and its not staying away.
I have cleaned the port on the throttle body, cleaned the vacumm line ports on the throttle body, replaced egr valve, tested the vacumm modulator (item to the left of the egr with a filter in it), and tested the vsv which is a purge solenoid on the lower part of then engine (ecm tell it when to allow vacumm to open egr i did all of this and yet i keep getting the code now my last suspects are either the map sensor or ecm now with the map sensor im sure it would run funny and all if it went bad, but the car runs fine and ecms dont go bad often so can any one help me, im taking any suggestion at this point. |
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Mar 19, 2010 - 9:12 PM
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 Enthusiast Joined Mar 8, '08 From Orlando, Florida Currently Offline Reputation: 14 (100%) |
the egr is a pain to diagnose. My CEL has been on and off with insufficient egr flow. It doesn't seem to affect anything, so I just let it be.
However, my specific problem seems to relate to the fuel gauge reading.... strange, but true. Oh well. good luck with your hunt for the culprit guys. -------------------- ◊◊◊ My F/S Thread! ◊◊◊
QUOTE (14:19:21) Daniel: That was a JDM hole in the side of the box too. There was so much JDM trapped inside that box that they couldn't contain it, so they had to put a JDM hole in the box to let the JDM out. QUOTE Ferdi says (11:29) No, it looks like a hooker put her acid vag on your hood. Acid vag = bigger problem than a few dings. |
Posts in this topic
Tsizzles98 insufficient EGR flow Mar 18, 2010 - 8:08 PM
Johnnyny did you disconnect the battery after you did all d... Mar 18, 2010 - 8:34 PM Tsizzles98 ive cleared the code after every time i try to fix... Mar 18, 2010 - 8:37 PM Smaay im getting both codes at the same time, excessive ... Mar 18, 2010 - 10:20 PM Tsizzles98 I actaully seen something for both codes at the sa... Mar 18, 2010 - 10:26 PM Smaay please do, its very fustrating! Mar 19, 2010 - 8:19 PM
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