2001 GMC Jimmy secondary air injection pump

2001 GMC JIMMY
200,000 MILES • V6 • 4WD • AUTOMATIC
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AMCALLISTER
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Secondary air injection pump theres a tube(fat,black an rubber) that comes out on the passenger side is disconnected an we cant figure out where it goes. we have had so many people look an can't figure out where it goes.
when the problem happened we was driven down the street an it started losing pressure you could tell it was a hoes the truck still ran an just started to not go any faster then 30 then 20 an now it wont go over 5mph thanks so much
Jun 17, 2014 at 7:14 AM
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HMAC300
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your picture didn't turn out but scan for codes and check fuel pressure as it may be that instead of the secondary air pump. the pic I'm sending is the only diagram and that is a general one. look for the exhaust manifold to be plugged by the head or downstream. all it does is pump air into the exhaust system.
Jun 17, 2014 at 7:51 AM