2002 Honda Civic fault code P1129

2002 HONDA CIVIC
129,925 MILES • 4 CYL • FWD • MANUAL
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EDDIESIN
  • MEMBER
  • 1 POST
fault code P1129 comes up on scanner, i replaced map sensor already but fault still comes back and vehicle runs horribly
Jan 20, 2009 at 5:48 PM
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ZACKMAN
  • ✓ASE Certified Mechanic
  • 4,202 POSTS
  • ASE Certified Mechanic
I would check the wiring. Either one of the wires is broken or the ground is not grounding.
Jan 22, 2009 at 1:05 AM
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