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That would be the AIR Injection System.. aka.. Smog Pump. It's an electric pump on C5's. It's an emissions related code and won't effect drivability/performance. Since, it's referring to bank 2 (passenger side), it could be a restricted/sticking check valve on that side. Check valves are located on the exhaust manifolds at the top. It's a black round metal part where the AIR hose goes into. It's a cheap part to replace, and is most likley the culprit.
Here's a reference picture, but it's showing the driver's side.Very similar looking on the passenger side. http://www.ls1howto.com/howto/c5/lgh...cs/airtube.jpg It's the black round piece that the AIR tube connects to and the hose connects to on the other side.
That would be the AIR Injection System.. aka.. Smog Pump. It's an electric pump on C5's. It's an emissions related code and won't effect drivability/performance. Since, it's referring to bank 2 (passenger side), it could be a restricted/sticking check valve on that side. Check valves are located on the exhaust manifolds at the top. It's a black round metal part where the AIR hose goes into. It's a cheap part to replace, and is most likley the culprit.
Here's a reference picture, but it's showing the driver's side.Very similar looking on the passenger side. http://www.ls1howto.com/howto/c5/lgh...cs/airtube.jpg It's the black round piece that the AIR tube connects to and the hose connects to on the other side.
take care
steve
I have the same code but have been procrastinating the install because I was told that the passenger side chack valve was behind the intake manifold. In other words, the intake would have to be removed, the part would be installed, and then the manifold reinstalled with new gaskets and whatnot.