Question about 1986 Honda Civic

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Can not get car to idle My car won't idle either. When I first start it, I have to keep a foot on the gas for up to 15 minutes. After that it is intermitten.... sometimes it idles and sometimes it doesn't. For example on the way to work today.... I started it, used my handy gas pedal stick to warm it up, after 15 min I removed the stick and it idles great. Sat for 5 min with a great idle. Backed out of the driveway, turned around and headed out. At the end of my 2 mile road at the stop sign, it died when I stopped using the gas. However 2 miles later when I turned at another intersection it idled fine! Same situation all the way to work. However, as soon as I pulled into my parking spot I pulled the e-brake, put it in neutral, and it idled great. It doesn't seem to matter if it is in gear or neutral, moving or not...... Am at a total loss. I have had the Intake manifold replaced, the gasket under the carberator, and am now wondering what to try next. Is there a possibility that is is a leak in one of the hoses? Thanks for any suggestions!!!!

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  • Honda Master
  • 19,396 Answers

If it is a caburetor vehicle setup carburetor, if it is electronic fueling , check module with a code reader.

Posted on Aug 27, 2008

  • 1 more comment 
  • Ginko
    Ginko Aug 27, 2008

    Is this a caburetor, or injection model?

  • Ginko
    Ginko Aug 27, 2008

    Check air filter, check eventually check and replace spark plugs, and if there is a fuel filter replace it.
    Once you do this basic maintenance you need to set up speed screw and mixture screw on carburetor:




    CARBURETOR SET UP AND LEAN BEST IDLE ADJUSTMENT
    If it is an electronic injection model you will have to connect the electronic injection module (ECM) to a code reader, and you start troubleshooting from there.

    Both jobs are not too difficult , but can give you further troubles if you have never done them.
    In this case better going to a mechanic to have carburetor or electronic injection registration done.



  • Ginko
    Ginko Aug 27, 2008

    Particularly, if the mechanic turns the mixture screw a bit more, the car will waste a bit more fuel but it will idle fine.

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