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1995 Honda Civic erractic idle/runs rich

Tiny
DIESEL718
  • MEMBER
  • 1995 HONDA CIVIC
Engine Performance problem
1995 Honda Civic 4 cyl Front Wheel Drive Manual

my civic runs good but a little rich at start up but when it warms up, the idle goes up and down and when I stop sometimes it sounds like it wants to shut off. At the same time its running extremely rich. Could the IAC be the problem or maybe timing?
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Monday, July 27th, 2009 AT 7:09 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the IAC and the following below

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
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Monday, July 27th, 2009 AT 8:18 PM

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