Hi People, im a newbie here and was having a problem on my Honda Civic SiR.

Every time i start my car in the morning, the idle fluctuates from 800 to 1400 rpm. after a while mag sesettle na sa 900rpm. Tapos pag iiwan ko yung car sandali about 1 to 3 hours pag start ko okay naman. Pero pag matagal na iniwan ng fluctuate ulet yung rpm pag start.

Tapos may isang malakas na knock parang tunog ng bakal na tumama sa lata or parang click ng sirang harddrive pero malakas. Dinig sa loob ng car even when the window is close and radio is on. Ramdam din sa accelerator pedal yung knock. Pag knock nya, idle fluctuates then after a while knock ulet. Settle na yung rpm. Pero kahit na nagdadrive na ko meron occasional knock parin na maririnig. Maayos pa naman yung mga engine support kaya rule out ko na yung part na yun.

So pina check ko na yung makina sa mekaniko, then nawala yung knock pag idle pero naririnig parin pag nag dadrive na.

Yung TB saka IAC Valve pinalinis ko na din pero nag fluctuate parin RPM on cold start sabi ng mekaniko sa Servo na daw yun sira.

The car is running good, but those problem still bothers me from time to time. nakakairita kung baga.

Any help from you guys! San ba maayos mag top overhaul para mawala yung ingay ng valve train parang diesel engine kasi ingay nya. Near Cubao Area po mga peps?

Thanks in advance.

JR