I HAVE A 1995 HONDA ACCORD LX WHEN STARTED IT IDLES HIGH LO HIGH LOW I CHANGED THE MAP SENSOR AND STILL NO CHANGE IN THE ROUGH IDLEING? WHAT ELSE MAY IT BE??
Clean your fast idle thermo valve (fitv) if that dont Work try cleaning idle Air control valve (iacv) you can go to google images to see where they are located on the intake manifold if you dont know And also if you dont know you can search google on how to clean these parts. Slightly dirty fitv was my problem cleaned it no prob. Since.
Could possibly be an intake gasket
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