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Chevy Trailblazer - Loss of power

32 messages,  Last post on Dec 23, 2008 at 8:30 AM

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#28 of 32 Re: 04 Chevy Trailblazer - Loss of power & Stalling [ficuss] by vbell May 30, 2008 (10:06 am)
Replying to: ficuss (Dec 12, 2007 4:43 pm) thanks alot!!! It hasnt done it for a good 6 months or more now!! Onstar has been reactivated and I havent had a problem since!!!! Replies to this message: gredden (May 30, 2008 10:20 am) gredden (Jun 03, 2008 12:26 pm)
#29 of 32 Re: 04 Chevy Trailblazer - Loss of power & Stalling [vbell] by gredden May 30, 2008 (10:20 am)
Replying to: vbell (May 30, 2008 10:06 am) Hey vbell   What exactly did they do to fix your problem? I'm taking mine in tomorrow.   Thanks Replies to this message: gredden (Jun 03, 2008 12:26 pm)
#30 of 32 Re: 04 Chevy Trailblazer - Loss of power & Stalling [gredden] by gredden Jun 03, 2008 (12:26 pm)
Replying to: gredden (May 30, 2008 10:20 am) It looks like I have solved my problems! I want to thank you all for the TSB concerning the loss of power and stalling. This past Saturday I went to the dealer and had the software update done. While at the dealer, the service person recommended a fuel system cleaning for $130. I declined because the service techs get paid a commission on what they sell. I added a can of Sea Foam to my tank. This is the same thing that a lot of mechanics use to clean the fuel system of carbon. I also replaced the O2 sensor on Sunday.   My TB is running like a dream! I'm also getting 18.4 MPG for everyday driving.
#31 of 32 I Had a by mookie14 Dec 11, 2008 (4:30 am)
a 03 tblazer and what you guys are going through is this there is fan clutch and its connected to the engine. Whats happening is its not the engine its the tranny how do i know the 03 i had i replaced well gm did 8 to 9 fan clutches and it still did not work. Turns out the tranny started to slip because REDUCED ENGINE POWER now the light may or may or may not come on because the fan won't let the engine over heat and its built into engine. As honda's has a electric fan and it cuts on just when the engine is getting hot and it does not lose power. So as you guys drive you all will see you all are going to need trannies im not lying. The techs know but they are told NOT say anything about a defect and they are not going to let them waste all that time on a defect that gm did not fix. So trade out now and take a hit if you can and buy japs autos i did i got a honda and 27000 miles later no problems period.
#32 of 32 05 trailblazer by tahill Dec 23, 2008 (8:30 am)
responding to my post from a few months ago...looks like I spent over 700.00 dollars to finally be told that the 02 sensor was bad! My truck has been running like a dream since it has been changed out. Luckily the shop did not charge me for the 02 sensor replacement, since I had to pay for everything else done that was not correcting the porblem. If you are experiencing the same issues have them change it out...my shop told me the sensor did not look bad thus the reason why they did not replce it the first time that i took it in...

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