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Anthony
Anthony, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 11393
Experience:  ASE Master Automobile Technician with over 20 years exp. in this field.
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2003 cts: replacing sensors, starting with crank and cam then o2

Resolved Question:

i have 2003 cts. error codes po140,141,160,161,335,341,496,856. my mechanic wanted to start experimenting with replacing sensors, starting with crank and cam then o2. i think i can do this myself. he was gon to charge a small fortune to start experimenting.

also, i am receivign stabilitylight, codes:C1238,1298,1301,1278,1277,1281,1287. stabilty warning comes on screen constantly regardless of driving conditions
Submitted: 4 years ago.
Category: Cadillac
Expert:  Anthony replied 4 years ago.

HelloCustomer Welcome to justanswer!

 

If you clear the codes which ones come back right away?

Customer: replied 4 years ago.
i will check on that. give me a minute to do this
Expert:  Anthony replied 4 years ago.
Ok, sounds good.
Customer: replied 4 years ago.
i cleared codes and no error codes return.....engine starts normally
Expert:  Anthony replied 4 years ago.
Ok, see what comes back then replace what ever is relevant to the codes. Its very hard to tell which ones are true at this point.
Customer: replied 4 years ago.
this problem does reoccur, does that mean a intermittent problem or a sensor getting ready to go out?
Expert:  Anthony replied 4 years ago.

YOu have to see how many come back. If they all come back then replace the cam, crank and o2 sensors. If they still come back after that you have a bad computer.

Customer: replied 4 years ago.
also regarding stability errors on video screen on dash....the code reader tells us nothing on that...what do you suggest
Expert:  Anthony replied 4 years ago.
That has to be handled separately. I would suggest resetting those codes and see whats back. That one really should be handled by a GM dealer as it requires a lot of hands on testing.
Anthony, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 11393
Experience: ASE Master Automobile Technician with over 20 years exp. in this field.
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