Mga tol, di ko na alam kung ano papatingin ko sa kotse ko, HELP!!! Idle is unstable, kapag naka-neutral ako up and down yung RPM. tapos kapag tumatakbo, kapag nag-shift gear ako, biglang bagsak ng RPM. Here is what I had done so far: Tune-up, change oil, cleaned the carb, had idle checked (pero nagbabago pa rin), changed sparkplug to a platinum one, had my timing belt changed, also changed Cylinder gasket. Di ko na alam ang gagawin ko mga tsong, need your HELP BADLY. Thanks.