i have a 1997 fiat punto 1.1 lwhich hessitates on accelration i have put in new H.T leads and looked at the spark plugs which are o.k also put some injector cleaner into the petrol tank had a look at the ignition coils but they same o.k could it be the E.C.U.
Make sure you have the right plugs i work on Fiats and have had the same fault which was wrong plugs
Ev
March 2007
you could also try the fuel filter might have a slight blockage and cant send anoth fuel to the injector..ive have the smae problem yet to try it out on mine
terry k
March 2007
THANKS BOB.
ROCKY.
February 2007
check all the vacume pipes m8,u might have a split in one.that will do it.doubt if its the ecu