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DTC P0440 850 1997

posted by  eichlerdad on  Fri May 2 11:26 CST 2003
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Can anyone tell me what would cause a DTC of “P0440 - Evaporative Emission Control System Malfunction” on my ’97 855 T-5? This does not sound like the Loose Gas Cap code. I have fixed 3 leaks in the fuel/EVAP system quite a while before getting this code (broken EVAP tube, rotted EVAP tube elbow near the rear suspension and a misaligned seal on the fuel tank to the fuel pump) so I don't think there are any leaks in the system. Would this be the code for an EVAP valve that is failing?

Thanks for any helpful advise.






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New DTC P0440 [850][1997]
posted by  eichlerdad  on Fri May 2 11:26 CST 2003 >


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