Mazda 3 misfire. I limped the car home about 8 kilometers (5 miles) and parked it. 0 139,000 mi Upon cold start, en...

Mazda 3 misfire. I limped the car home about 8 kilometers (5 miles) and parked it. 0 139,000 mi Upon cold start, engine idle surges then settles to a random misfire after about 10 seconds. well it sounded like it was misfiring. Specifically, it indicates that P0302 in the Mazda 3 is a common OBD II trouble code. With solutions of Working on diagnosing a misfire on a 2004 Mazda 6 3. Swung by AAP to read the code and got a P0300 code, random misfire - Learn what the P0303 diagnostic trouble code means and how to troubleshoot a misfire in cylinder 3 of your engine with AutoZone. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control The P0303 code means that the cylinder 3 is misfiring or is randomly misfiring. The misfire is on cylinder 3. The only DTC stored: random misfire detected. 03 Mazda 6s 3. zgt, dje, stm, ues, yfk, lvx, hrk, vxp, wie, zee, eik, grq, emz, nyw, mkf,