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2002 Hyundai Elantra EVAP CODE

Tiny
DEFLEE79
  • MEMBER
  • 2002 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 109,000 MILES
I got a PO451. Where should I look for problems? I know it's the evap pressure / performance out of range. Any good place to start? Here is the data:fuel sys 1 -cl:calc load-22.75:ect-190:stft b1-.78:ltft b1- -1.56:map-10.63:rpm-1128:veh speed-34: also a PO455 was found
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Tuesday, July 21st, 2009 AT 4:13 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
I would have the syetem fogged. What they will do is force fog into the EVAP system. If there is a leak, the fog will come out and the leak will be identified.

That is how I would start. If you try to find a leak, you'll look forever and most likely not find it. They are a pain.
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Thursday, September 3rd, 2009 AT 11:59 AM

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