2003 Honda Odyssey dtc 1129,0505

2003 HONDA ODYSSEY
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MOBILEVAPOR
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Computer problem
2003 Honda Odyssey 6 cyl Front Wheel Drive Automatic

what to check?
Apr 1, 2010 at 3:15 AM
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HONDA TECH 1818
  • ✓Experienced Mechanic
  • 536 POSTS
DTC P1129 (high manifold absolute pressure [MAP] sensor signal
DTC P0505 is a faulty IAC valve
For DTC P1129 check the power steering pressure switch wires it could broken, if broken repair wires
For DTC P0505 replace the IAC valve
Apr 2, 2010 at 5:01 PM
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