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04 mazda 3 p0300

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Old November-8th-2018, 12:36 PM
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04 mazda 3 p0300

i have mazda with p0300 intermitily and rough idle. changed plugs crank sensor and checked all coils and injector all good.code comes back right away runs fine at ilde and on load breaks up and barley moves. idk what else to look at any info would help thanks
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