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Intermittent missfire at low RPMS
Hello all, I bought a 2017 Tahoe SSV recently with the 5.3L L83 engine. While towing a few months ago I began to get significant misfires and a P0303 code, but only when under load at less than 2,250 RPM. After finishing that trip by keeping the RPMs higher, I changed the oil and on my next...- AlphaZulu
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- Forum: Engine & Drivetrain
