TrailBlazer 2002-2009
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.

So I was driving and........

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Old December 30th, 2014, 9:17 PM
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Default So I was driving and........

So I was driving on the hwy and all of a sudden, my 07 trailblazer started to slow down, check engine light flashed, then my RPM gauge stopped working...But it never shut off.. has this ever happened to anyone? What would cause that?
Old December 30th, 2014, 9:23 PM
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Get the code read and you won't have to guess. That's the nice thing about obdII diagnostics.
Old December 30th, 2014, 10:39 PM
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That's the problem there is no code. The light flashed then went off... The RPM gauge didn't work anymore, but the truck didn't cut off.
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