The service engine soon light comes on when the computer detects a malfunction and sets a code. see related questions below for more info.
service engine soon 1992 eldorado
Possibly because you will need a service soon
If your Cadillac has the service engine soon light displayed, get it checked out as quickly as you can. It may be something as simple as a loose gas cap, but it can also be an engine problem or other serious situation that can damage your car if not corrected quickly.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
service engine soon is your car telling you that you have reached a pre set service interval. Check your owners manual for a list of these maintenance items.
reset service engine light on BMW 325
get the engine serviced.
DISSCONECT YOUR BATT FOR 10 seconds...........there you have it
meow
Take a look here askville.amazon.com/service-engine-light-wrong-saturn-Vue-2003/AnswerViewer.do?requestId=3645084
DTC - 93 Transmission pressure control solenoid circuit error