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Re: P0411 code, 2008 Aero Sportcombi Posted by Bernie [Email] ![]() ![]() ![]() In Reply to: P0411 code, 2008 Aero Sportcombi, MackO ![]() |
Hello,
Some recent observations on replacement SAI pumps. The last 2 I got had the wires backwards in the connector. They would turn backwards if the wiring was not swapped. Also I did have one car that another shop had replaced everything relay, pump, check valves and it ended up being a partially clogged cat. I found when driving the car it felt a little off. I removed front O2 and installed a back pressure gauge and found it would spike only above 4000 rpm. After changing the cat the P0411 code did not return. Good Luck, Bernie
_______________________________________ George Riggin Specialty Automotive Current Saabs 1993 900 Turbo Conv. 1993 900 Turbo Conv. Auto 2003 9-3 Conv 2004 9-5 Arc Sedan 2005 9-3 SS 4 door 2005 9-3 SS Conv 2007 9-5 Aero Sedan 1986 900 Turbo Conv A few parts cars also
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