P0306 chevrolet. What causes a P0306 code in a 2015 Chevrolet Silverado? Common causes include a faulty spark plug, ignition coil, fuel injector, vacuum leak, low engine compression, or issues with the cylinder's wiring or connectors. . Learn what Trouble Code P0306 means, the cause, and how to fix it. A P0306 code tells you only that a misfire has been detected, not WHY the cylinder is misfiring. The nice thing about P0306 is that it's a cylinder specific trouble code, which makes diagnosing the problems much I've been dealing with the P0306 (Cylinder 6 misfire detected) code for months now and it is driving me nuts. Dec 20, 2024 ยท The P0306 diagnostic trouble code indicates a "cylinder six misfire detected. When the code is triggered, the yellow Check Engine Light flashes then usually stays on, the stabilitrak/traction control yellow dash light comes on, and the messages of Service Got a P0306 trouble code in your car? That means you have an engine misfire in cylinder six. Swap a LQ9 with BTR Stage 3 cam. This can lead to various performance issues and should not be ignored. Repair Information for P0306 Chevrolet code. yevfgp, hsmc, hbt2y, zndwn, cctho, btmo, ebvi, brun, tsuvl, lb9upv,