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2003 Trailblazer Accelaraton Issue

Tiny
KGOWER
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
I recently posted a question and recieved no reply. Every time I get the vehicle up in RPM's to 3,500 or 4,000 it feels like it is stalling out it will not go any faster. It will not engage into overdrive either. We have replaced the fuel pump, filter and pressure module. The Cat is fine and the dealership says the tranny is fine they think it might be the oxygen sensor so that is next! If you have any thoughts on this please help me!
2003 Chevy Trailblazer 4WD Inline 6 4.2 Liter Automatic!
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Wednesday, August 29th, 2007 AT 4:43 PM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Are there any trouble codes stored?
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Monday, November 5th, 2007 AT 9:18 PM
Tiny
SYNCRAIT
  • MECHANIC
  • 235 POSTS
Does it do this while in gear or not? I believe it has a rev limiter when not in gear
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Tuesday, November 6th, 2007 AT 7:35 AM

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