Evening! First post here!
Having some difficulty diagnosing a fault on my 2003 (post facelift) punto petrol 1.2 8V.
Sudden loud sound on motorway accompanied by loss of power and check engine light (just about driveable, managed to get it home!).
MES reading error code for misfire of cylinder 4.
Checked coils, both OK. Replaced plugs and HT leads, no difference.
Basically it starts, just about. Idles horribly with much unevenness and shaking of the car. Revs OK, but with horrible engine knocking/clicking sound at 2000-3000 (can read this on knock sensor as cylinder 4 and see spark plug advance). Try driving it, and you can feel the lack of power, really struggle to rev once in gear. Limp!
Any ideas appreciated!
Having some difficulty diagnosing a fault on my 2003 (post facelift) punto petrol 1.2 8V.
Sudden loud sound on motorway accompanied by loss of power and check engine light (just about driveable, managed to get it home!).
MES reading error code for misfire of cylinder 4.
Checked coils, both OK. Replaced plugs and HT leads, no difference.
Basically it starts, just about. Idles horribly with much unevenness and shaking of the car. Revs OK, but with horrible engine knocking/clicking sound at 2000-3000 (can read this on knock sensor as cylinder 4 and see spark plug advance). Try driving it, and you can feel the lack of power, really struggle to rev once in gear. Limp!
Any ideas appreciated!