Dear Users,
I just got my city 2002 tuned and serviced. Got my air filter,oil and oil filter,fuel filter,new plugs(mentioned above),engine petrol tuning,cng tuning, new battery, new plug wires, new cng wires changed.
After all dis ma car is on idlin givin "knocks" or "jerks" as if idlin is down. Both on cng and petrol! The prob is dat wen i installed ma old single point NGK OEM plugs da knockin does not occur but on these new plugs(+2) the knockin occurs at idlin! Help!
Cause the single point average on cng is 90km and on +2 plugs is 110km! Request reply asap!
MOD EDIT: MOVED TO CORRECT FORUM