2008 Buick Lucerne sensor issues

Tiny
NEHPETS9
  • MEMBER
  • 2008 BUICK LUCERNE
  • 4.6L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
My check engine code showed a bad camshaft position sensor and knock sensor. My car is sputtering from time to time as if it's not getting gas and even cut off at a red light a few times. I took it to the shop and had the sensors changed and it still had the same problems. I took it back to the shop and they can not figure it out.
Please help.
Thursday, October 15th, 2015 AT 10:15 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What are the specific codes on knock sensors the sensors have to be torqued correctly or they go bad and a lot of times the harness has to be replaced with them. The cam sensors if run by plug wires will pick up interference from them. Send back the correct codes so we help further.
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Thursday, October 15th, 2015 AT 10:41 AM
Tiny
NEHPETS9
  • MEMBER
  • 2 POSTS
I don't remember the number codes
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Thursday, October 15th, 2015 AT 11:29 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Well check back and see if the mechanic remembers there are a few different codes for knock sensors. Or go to an auto parts they can do for free as they are engine codes. Then write them down
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Thursday, October 15th, 2015 AT 11:50 AM

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