guys about the problem,i want to tell that its even worse on petrol.i mean on cng,the jerking is lesser,but more jerking on petrol.can it b sumthing other then plugs?bcuz im concerened that wat if the problem remains even after plug change? offcourse im gonna change the plugs but wat it can b if plugs dnt help?
1 thing more,i used the engine oil flush liquid on the last oil change.can that b causing the problem?
nd also disconnected the battery to reset the ecu,problem still there...wat can b done guys? im really upset 