my astra missfires,runs on three cylinders
i have changed the coil pack,sparkplugs but runs well for a week then the engine mangerment light comes on again diagnostic code reading is p0300 and p0400
diagnostic reads missfire cylinder 3
i have noticed it gets hot very soon but if i disconnect the thermostat it runs great could it be the cooling system?
if so what can i try?
can you help please
i have changed the coil pack,sparkplugs but runs well for a week then the engine mangerment light comes on again diagnostic code reading is p0300 and p0400
diagnostic reads missfire cylinder 3
i have noticed it gets hot very soon but if i disconnect the thermostat it runs great could it be the cooling system?
if so what can i try?
can you help please
Aug 16, 2008 at 7:47 AM