my prob here..my civic had changed its exhaust sensor (kemek already) with half cut ones..after installing the sensor and cruising on the road bout 90km/hr..the checklight turned on..after inspection, it...
my mechanic suggested to me to 'double coiled' my spark plugs. he said it would increase the spark - better combustion and reduce fuel consumption. I've seen the installation, is not that tricky except that you...