malfunction warning light on a corsa?

it comes on every couple of days 4 20 minutes or so then goes out.i have the rear window heating element on while im driving and also the heating on the front window.could this be the problem
mark, December 2004


done
i had a 1999 corsa and the same problem ocurred it was something to do with the airflow sensor on the air filter box and it costs about 140 quid to be replaced. if you take it to a vauxhall garage they'll connect thier little magic test box and confirm at the cost of 15quid.

pete thompson, December 2004
link Click here to see other fixes for Corsa.