Having problems with your 2004 Chevrolet TrailBlazer ?

How do fix this secondary air injection system

Posted / edited by AnonymousUser on : 21-01-2019

Answers :

I had this happen today it's from not clapping lid back over air filter... not screwing screws all the way back in sets of air sensors!
First need to know whats wrong with it. I'll take a guess and say that the pump is bad. Most of the time people get them submerged in water and that shorts out the pump. You will find it under the truck on the driver side by the tranmission cross member. There is a relay on the side of it, so see if you have power and ground.
Repair Help & Product Troubleshooting for 2004 Chevrolet TrailBlazer

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