How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Dave Nova Your Own Question
Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 1522
Experience:  ASE Master Certification. GM World Class Certification
Type Your Cadillac Question Here...
Dave Nova is online now
A new question is answered every 9 seconds

My engine light is on, my shop has gone from o2 sensor then

Customer Question

My engine light is on, my shop has gone from o2 sensor then said it is a purge valve thing now they say is is a brain computer that is on the engine and is very costly. Car is a o4caddy sex 6cy, runs great but can't get the light to stay off to get inspection. Please help
Submitted: 1 year ago.
Category: Cadillac
Expert:  Ron Z. replied 1 year ago.

Do you happen to have the current "p-codes" that are pointing to these items?