Question

How to fix code P0442 on 2000 Mercury Sable 3.0L? Small leak code P0442

Answer 1

Hi there,

Start with a new gas cap. If the gas cap doesn't resolve it, then you need to do a smoke test to locate the source of the leak and then do the repair yourself to save some money.

Answer 2

P0442 MERCURY Code - Evaporative Emission System Leak Detected Small Leak
Read more: https://www.autocodes.com/p0442_mercury.html