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Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 1808
Experience:  ASE Master Certification. GM World Class Certification
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My check engine light is off, but I still have three

Customer Question

My check engine light is off, but I still have three incompletes after 250 miles of driving and I need to get my car inspected. What do I need to do?
JA: Does the light stay on, or does it blink?
Customer: the light stays off
JA: What is the make/model/year of your car?
Customer: buick/century/2002
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: the car is 'fixed' by a pro who turned off the light for me to drive to reset the sensors but three have not been reset after 250 miles of driving with check ebgine light off all the time.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 8 months ago.
Category: Buick
Expert:  kalamykid replied 8 months ago.

If you turn the ignition switch to the run position with the engine not running does the check engine light light up?

Customer: replied 8 months ago.
the check engine light stays on
Customer: replied 8 months ago.
the light goes off after engine starts.
Expert:  kalamykid replied 8 months ago.

What monitors are not setting?

Customer: replied 8 months ago.
evap, egr, & cat
Expert:  kalamykid replied 8 months ago.

Do you have a test light so you can do some testing?

Customer: replied 8 months ago.
no, unfortunately
Expert:  kalamykid replied 8 months ago.

Can you borrow one or get one from your local auto parts store?