Aoa. Yesterday I got ma Corolla X tuned after abt 3 months.It has STOCK spark plugs which once taken out were having RUSTY colored tips area. WHY?
The mechanic installed them after cleaning n now I feel a tremendous improvement in mileage.I was using genuine airfiltetr previously aswell.
Can anybody throw some light on IRRADIUM PLUGS pl. ..or anyother type to avoid that RUSTY situation again.n fRom where to buy in pindi\ Isloo?