What If It’s Not The Gas Cap?

by | Feb 16, 2008 | BMW, BMW TechDrive Features, Emissions, Fuel | 0 comments

Very often, an illuminated MIL and an EVAP code are due to nothing more mysterious than the driver neglecting to tighten the gas cap. That's hardly the whole story, though.
Since 1996, OBD II has required that fuel storage systems be checked for lea...

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