can you guys point me in the right direction of exactly how to get these 3 codes fixed?
*PO171
*PO449
*PO742
also, i replaced the camshaft sensor and changed 3 motor mounts but i still need to do a solid mount on the front.
Check Engine codes?
Re: Check Engine codes?
also, my mph and rpms gauges do not work all of a sudden. what can be the problem?
- dpnewfie
- Posts like an LN3

- Posts: 598
- Joined: Thu May 22, 2008 8:01 am
- Year and Trim: 2005 GXP
- Location: Conroe, Texas
Re: Check Engine codes?
P0171 - lean bank one (vacuum leak)iRoll4z wrote:can you guys point me in the right direction of exactly how to get these 3 codes fixed?
*PO171
*PO449
*PO742
also, i replaced the camshaft sensor and changed 3 motor mounts but i still need to do a solid mount on the front.
P0449 - Evap vent solenoid needs replacing
P0742 - Torque Convertor clutch circuit stuck on.
2012 CTS-V Coupe, 4k miles and counting.
2005 Bonneville GXP, 200k and SOLD!J Wikoff wrote:It has been an honor and privilage to have been serviced by you.


