Which trouble codes do owners report?

P0300 Random/Multiple Cylinder Misfire Detected leads at 81.

Trouble codes owners quote in complaints about this part

The code owners quote most is P0300. Read your own code from a scan and give the shop the exact code, not only "the light is on".

Source: NHTSA owner complaint files · file downloaded 2026-10-05

Data and chart by CalcScrape: Car Diagnostic Cost Calculator