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2005 Chevrolet Trailblazer 5.2L with engine code P0300, how do I fix it?

Vehicle: 2005 Chevrolet Trailblazer 5.2L

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if you use low octane fuel start by using 91 octane from Shell and use a good fuel system cleaner. If you have not replaced your spark plugs with the OEM sparks plugs do so.
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P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders

Read more: https://www.autocodes.com/p0300_chevrolet.html

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