flopsymahalia Posted May 26, 2008 Report Share Posted May 26, 2008 2004 Deville 74,000 miles I'm getting P0171 (Fuel Trim System Lean bank 1) and P0174 (Fuel Trim System Lean bank 2) codes. I can feel the car "sputtering" and I assume it's about these codes. My question: What is involved in having this repaired, mainly in terms of cost? Is this something I should take only to a Cadillac service center, or can another mechanic fix this for less money? Code B0429 (Temp Control #3 Rear Circuit Range/Performance) is also recurring. I read (here, I think) that it's possibly about a crimped hose. I recently had the battery changed, which involved removing the back seat. Is this cable/hose something that I'd be able to easily see if I removed the back seat? If so, then I'm guessing I could "uncrimp" it myself. Yes? Thanks for reading and for your expert responses! Allen Link to comment Share on other sites More sharing options...
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