Background is that 14000 mile 1.2 500 was serviced and cambelt replaced by local garage and now has issue sometimes with engine light coming on when cruising at approx 2200 rpm (ie 50mph in 5th,but can occur in lower gears also) on slight to no throttle but it continues to run fine.
Took back to garage they found error is miss fire on 2 and 3 but changing coil pack, plugs and leads did not cure so they are baffled and think ECU or wiring fault most likely, car is 6 years old so probably uneconomic to pursue further hence the post !!
Basically car will be sold if nobody knows as SWMBO won't drive it now !
I've been using for work and if trashed light stays off but cruise a few seconds with just the right throttle and light sometimes comes on, could not make it come on friday or all weekend but came on twice on way home tonight (cleared by turning off and on again) so really odd.
Took back to garage they found error is miss fire on 2 and 3 but changing coil pack, plugs and leads did not cure so they are baffled and think ECU or wiring fault most likely, car is 6 years old so probably uneconomic to pursue further hence the post !!
Basically car will be sold if nobody knows as SWMBO won't drive it now !
I've been using for work and if trashed light stays off but cruise a few seconds with just the right throttle and light sometimes comes on, could not make it come on friday or all weekend but came on twice on way home tonight (cleared by turning off and on again) so really odd.