Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
the cat has already been repaced do you think it is a possible intake leak
how about the po171
hi p717 is a lean condition on bank one common problems for this can be intake gasket leaks and vacuum lines open due to cracks or left off. also poor fuel delivery on injectors 1,3, or 5. i hope this is of help if you have any further questions please ask
please hit accept if this answer has been helpful to you.