1990 Honda Accord Auto question

Tiny
RIEHL
  • MEMBER
  • 1990 HONDA ACCORD
  • 6 CYL
  • AWD
  • MANUAL
  • 260,000 MILES
When in neutral or not applying the gas pedal. The RPM's continually go up 10,000 and back down. Do you have any ideal what might fix this problem?
Saturday, December 27th, 2008 AT 10:57 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi riehl,

This is known as surging and most probably there is a vacumn leakage or a fault in the Electronic Air Control Valve ( EACV ) also known as the Idle Air Control ( IAC )valve.
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Monday, December 29th, 2008 AT 8:46 AM

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