Vauxhall Zafira B (mk2) and Astra H (mk5) pedal test 

Quick video on how to get any error codes to show on the dash when you get your engine management light on.
The code will show ECN and 6 numbers. When you search for the code on Google it will be shown as P and the first 4 number.
The following site has most of the error codes your are likely to see:
www.migweb.co.u...