Ya, I have had people tell me all sorts of things.Flash computer, look for chafed wire, replace pump again (3rd), two new fuses etc... could be, might be and maybe everywhere you look. But one code.

In all my years of owning anything, this is the most frusterating. 3 out of 5 years with the SES light on. It would not be so bad if you did not have to to relay on it for inspection.

That link I check out above was great, but come on, The Manhattan Project has less schematics than that lol.

 

I just bought my blazer and
i got a problem with the secondary air pump
we looked under the car and saw it had one of the two hose hanging from
the secondary air filter can anybody tell me where it connects to ???