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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.

misfire on the #2 cylinder

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Old May 24th, 2010, 1:51 PM
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Default misfire on the #2 cylinder
ok i got a misfire on the number 2.
i have a 2002 chevy trailblazer 131k miles on it

what i have done so far.
changed plugs
changes coil pack
changed fuel filter
also put a thing of injector cleaner in the tank.

what else could it be?
i get hesitation and knocking and rough idle.
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Old May 24th, 2010, 1:52 PM
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please help me out. i dont have alot of money so cant take it to a mechanic to get the work done.
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Old May 26th, 2010, 3:50 PM
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getting any codes?

Have you tried a throttle body cleaning?
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