TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

Air injection pump & more

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Old Feb 7, 2008 | 3:09 PM
  #1  
gbeckwith's Avatar
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Default Air injection pump & more

I am new to the forum and i am in need of help with my 2005 TB.
First the gas gauge quit working and i was told i needed a fuel lever sensor($125),then the engine light came on and it is the air injection pump ($285).
I got an estimate from a shop and it will cost $772 with labor and tax to fix it.
Also said i needed a check valve ($140).....check valve for what i dont know.
Are these problems things i can do my self?
what check valve are they talking about?
I have changed fuel pumps before on a 97 monte carlo,but dont know whats all involved on a TB fuel lever sensor.

Any comments will be helpful Thank you
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Old Feb 12, 2008 | 11:15 AM
  #2  
TrkMas3122's Avatar
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Default RE: Air injection pump & more

With the fuel sensor, you have to take the gas tank off. If you feel comfortable doing this, then go right ahead, but i would pay for that. As far as the other stuff, i dont think its that hard for the air injection pump. Question the valve thing.

Hope this was some help.
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