Is there something I can add to the engine to try and free up a sticky valve on my Ford Taurus V6DOC engine?
sticky valve on my 2002 taurus on 2002 Ford Taurus
why do u think iys a sticky valve? poss broken valve spring.seek diag and est. determine cylinder and ck compression
when the air condition is turned on while idle or driving on city streets the engine starts to skip or rough idle. freeway driving is fine. took it to firestone and had a complete vacuum leak check. neg results. was told by them it leads to a sticky valve issue. engine under load from air and it stutters.
your 1st mistake was going to firestone then u listened to them. seek a good diag from a real mech