Cold weather gas smell - 2003 Subaru Forester

[Rod-Knox]

As temperatures drop to near freezing fuel leaks at the injectors often become evident on some cars. Replacing the O-ring seals at the injectors has corrected the problem. It is necessary to cold start an engine and closely watch the fuel rail and injectors for evidence of leaks before engine heat evaporates the fuel, leaving only the vapor and its odor. Once fully warmed up, the leaks stop. Many of the leaks that have been found here could be so minor as to be ignored but I don’t make that call…