Vehicle make/model =   Olds Silhoutte
Year = 1998
Mileage = 103.000
Engine size = 3.4
dash lights = Service Engine Soon
codes = ?
work done prior = None
tech = JK
question = My Olds Service Engine Soon light came on 2 days ago.
Everything seams fine. How do I code it and how do I reset the light? Thanks
for your time.





JK:
Hello and welcome.
Anytime the check engine light is on, the computer is seeing a problem in one of the vehicles
systems. A scanner is required to get the codes, to start diagnosis. Some of the large national
parts store chains will do this for free. Once the code(s) are retrieved, diagnosis can begin.
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