2002 Honda Accord idle fluctuates

Tiny
2CP-ARCHIVES
  • MEMBER
  • 2002 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 56,000 MILES
2002 Honda Accord 56,000. On a cold start the car goes into fast idle mode and after a minute the idle starts to jump between 1,500 rpm and 1,800 rpm. I've been trying to fix this for a year. I've replaced the O2 sensor and PVC valve as you told the another poster to do. I've also replaced the Air Temp sensor (TA), Water Temp sensor (TW). I've stumped the dealership, as they find nothing wrong. I even replaced the fast idle valve and EACV! The engine has been tuned and I have no clue what else to do? After the engine is warm, everything is great and runs really well and car is like new after constantly doing the service on time.

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Friday, January 7th, 2011 AT 9:14 PM

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Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,544 POSTS
You have replaced most everything we can think of that could be causing your fast idle problem. At this point, the data stream from the engine to the computer should be read to determine the values of the various sensors on the car. In addition, check to see if the ground wires are properly attached and making good connections.
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Friday, January 7th, 2011 AT 9:15 PM

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