P0304 P0172 MAZDA SKYACTIV 2.5L PROBLEM & FIX!

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Автомобильные рецензии
Customer complaint - smoke out of the exhaust - running rough. After clearing codes - p0304 and p0172 came back - Started with compression test - all cylinders good - inspected spark plugs - found plug fouled and wet with fuel - replacing injector fixed issue, may help you with a diagnosis! SPECIAL TOOLS REQUIRED - DIRECT INJECTION SEAL INSTALL TOOL COMPRESSION TESTER SCAN TOOL TO READ FUEL TRIMS

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