1989 Honda Civic idle

Tiny
FLEX0814
  • MEMBER
  • 1989 HONDA CIVIC
  • 4 CYL
  • 2WD
  • MANUAL
  • 87,000 MILES
I have a 1989 honda civic 1.5 engine, manual trans, dual point fuel injection.

problem: the engine revs high and low at idle.
local mechanic suggested throttle positon sensor or idle control valve. Any thoughts or solutions?
Tuesday, September 16th, 2008 AT 5:31 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Disconnect throttle position sensor, is idle problem solved?

Try checking the voltages with closed then wide open then sweeping from low to open with pedal dont do by hand have someone use gas pedal as if you do it by hand can mess with the reading.
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Tuesday, September 16th, 2008 AT 8:10 PM

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