1999 mercury sable service engine soon and inspection to Irodri91.

Asked by Guru9Z1NRP Dec 16, 2020 at 10:15 AM about the 1999 Mercury Sable

Question type: Maintenance & Repair

Code P0442 error.  What does it mean and how to fix.  Thanks for help. Took car
to auto zone received above code.  Evaporative emissions system. Small leak.  
What to do? Thanks.

1 Answer
41,330

TDolby answered 4 years ago

It could be one of these things, a faulty or loose fuel cap, EVAP system line leak, Charcoal canister leak, fuel tank leak. or failed vent or purge valve. If you don't know how to test for those, it's best for a mechanic to do so with proper equipment.

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