1998 Honda Civic code po 505

1998 HONDA CIVIC
164,000 MILES • 4 CYL • 2WD • AUTOMATIC
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PMGOULETTE
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  • 2 POSTS
what causes this code
Sep 2, 2010 at 7:16 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
A P0505 DTC,you will usually find a bad IAC or dirty throttle blade not closing all the way,try cleaning the throttle plate
Sep 2, 2010 at 8:48 AM
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PMP
  • MEMBER
  • 177 POSTS
most likely its the idle air control valve. My mechanic is actually replacing mine tomorow. When its bad you'll get idling problems and bad gas mileage and probably weak performance. Also i had the same trouble code.
Sep 3, 2010 at 2:16 PM
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PMGOULETTE
  • MEMBER
  • 2 POSTS
where is the trottle plate and were would i find picture of what im looking for. what is iac and where is it. thank u
Sep 7, 2010 at 7:23 AM
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