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Dan, Technician
Category: Buick
Satisfied Customers: 24413
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Buick I have a 2008 Buick Lucerne with 3.8 L V-6 engine.

Resolved Question:

I have a 2008 Buick Lucerne with 3.8 L V-6 engine. A month ago the check engine light came on and I brought it to dealer. Dealer code showed P332, no. 2 engine bank knock sensor. They replaced the knock sensor and everything seemed okay until last week. Check engine light came on again, brought back to same Buick dealer and they diagnosed same knock sensor. They ordered another knock sensor to replace this one again hoping this will work. Should I keep bringing it back to this dealer or can someone else diagnose and "fix" the problem? Have you seen any problems with this component and vehicles in the past?
Submitted: 6 years ago.
Category: Buick
Expert:  Dan replied 6 years ago.

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There is a service bulletin by Buick for this code which says it is often caused by a loose connector.....Anyone can fix the problem but considering you brought it to dealeship once already I'd tell them you expect problem to be fixed for free considering you shouldnt have to pay for the same repair to be made multiple times.....If another knock sensor doesnt fix problem you could have bad wiring or PCM (Powertrain Control Module) assuming there is no type of knock causing code to set. Let me know if you have questions, thanks.

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