i have a 1800cc petrol vectra the engine managmaent is on . the car seams to be running on three cylinders . rough as can be is there any basic things i can check , im quite good with older motors but injection/computer management leave me cold .. thxs
You need a diagnostic, usually costs around £25 from a none Vauxhall garage. Or buy an OBD 2/canbus fault code reader off fleabay for less than £30 then can diagnose prob your self. No point guessing.
