Error code P0171 and P0174
I have these two codes 171 and 174 keep popping up. I replaced the MAF sensor, PVC and the Air filter. Also checked out the vacuum leak by smoke testing by a professional mechanic. He claimed he could not find any leak. I am sure he did not check for the Plenum leak.
Can some one post a image of the plenum location on a 2001 Cadillac Sevilleso I can spray the starter fluid to check out the leak. I will appreciate your help. Thanks in advance. |
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