saqib!
double tip plugs etc are enhancements, cxli those hav stock plugs also are very good on cng, rahter i say xli is the best runner on cng among all aftermrkt cng cars.so dun go for directly multi tip plugs! first tune up ur car on stock devices etc. and haan, plug ka gap kharab ho to prblm hai !
INSPIRE!
wt can i say widout knowing tht wot u hav done with it, except tune up.
with every problem plz do mention the steps u taken, how the problem is arose and wts the change,is k baghair koi baat bhee confirmly nahi kahi ja skti.
thnx
SAAD!
thnx MAN ! but plz dun include me in list of MECHANIX :P,