I had a similar problem with my 1998 VECTRA CD.
I did the paper clip test which gave me a code number for the cam shaft sensor'
18 pound from LMF Vauxhall .
BEST OF LUCK
MIKE
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
The Vectra warning light is called the engine management warning light. It tells you that you need to get your Vectra checked by a mechanic.
If the check engine light is flashing that indicates an engine cylinder misfire has been detected
If the check engine light is flashing when the engine is running , that indicates that an ignition misfire has been detected
Your engine light is flashing on the VP commodore because of the error codes.
It is not recommended. A flashing flashing check engine light is an indicator of a catalytic converter damaging misfire.
look on the vectra forums
An engine cylinder misfire has been detected if your check engine light is flashing
An engine cylinder misfire has been detected if your check engine light is flashing on and off
A yellow flashing engine light is an indication that the engine should be checked. The yellow flashing light can because by low water level or low motor oil.
A flashing check engine light is an indication of a misfire.
A flashing check engine light is usually a misfire.See related questions below.A flashing check engine light is usually a misfire.See related questions below.