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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.

Multiple misfire on multiple cylinders

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Old Nov 14, 2021 | 9:35 AM
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Default Multiple misfire on multiple cylinders

Multiple misfire on multiple cylinders.

Last edited by Hellblazer73; Nov 14, 2021 at 9:35 AM. Reason: Wrong
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Old Nov 14, 2021 | 10:39 AM
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Welcome to Chevy!
You will find that the more detailed your post is, the more help you will receive here
Please post make, year, motor, symptoms you are seeing ...
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Old Nov 14, 2021 | 11:15 AM
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Welcome from Florida.
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Old Nov 16, 2021 | 12:30 AM
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Welcome.

Please post ALL of the trouble codes from the ODBII system. By all I mean current, pending and historical. If you do not have an ODBII code reader/scanner, you can go to most any auto parts store and they will read the codes for you and likely give you a printout.
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