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1990 Honda Accord Over reving engine

Tiny
TORQUE
  • MEMBER
  • 1990 HONDA ACCORD
  • 4 CYL
  • FWD
  • MANUAL
  • 115,734 MILES
My accord recently started to idle a bit rough and lately when I start it the engine over revs to 2000 rpm. I let it run for a while but when I start moving off slowly it goes down to 1000rpm and starts working normally but if I press down on the clutch it goes up again. After driving for a few minutes then it revs normal at under 1000 like when I just got it. Do you think you can help me out?
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Monday, January 7th, 2008 AT 7:10 PM

2 Replies

Tiny
FISHERMAN
  • MECHANIC
  • 938 POSTS
Hello !

Check the IAC Valve (idle air control valve) remove it and clean the carbon build up.
And the Egr, clean it also and see if the idle impoves!

Good luck!
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Monday, January 7th, 2008 AT 9:11 PM
Tiny
FISHERMAN
  • MECHANIC
  • 938 POSTS
Hello !!
At your request (PM) here is the location of the EGR and the electronic air control valve..


https://www.2carpros.com/forum/automotive_pictures/576_012_1.jpg

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Tuesday, January 8th, 2008 AT 7:39 PM

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