Mercury sable 24v Dohc

Asked by Sep 28, 2016 at 02:31 AM about the 2002 Mercury Sable

Question type: Maintenance & Repair

Need details on My Valve covers My car is steady
makin this Hissing noise as I take off in drive I
checked and it's no vacuum leak or anything , my
family member says it's the valve cover not sure
but if it's true How do I Replace it Car Runs but
every Now and then i will Lose power and i may not
even get it to 40mph and it drives fine anyone may
have details ?

2 Answers

237,845

You can have your mechanic perform a "smoke test" to verify it is indeed one or all of the upper intake gaskets that are leaking. You can remove the upper intake and replace yourself, there are 6 all together and can be bought for $10. Do you have a misfire? Check engine light on?

Yes do have a Lil miss fire

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