G GRWeldon 6th Gear Poster Joined Oct 5, 2023 Messages 540 Location Alabama Nov 6, 2025 #1 Did a 96 4.6 come with a 2-port PCV valve? Mine has two but one is plugged with a bolt. Not sure where the 2 ports are supposed to go...
Did a 96 4.6 come with a 2-port PCV valve? Mine has two but one is plugged with a bolt. Not sure where the 2 ports are supposed to go...
G GRWeldon 6th Gear Poster Thread starter Joined Oct 5, 2023 Messages 540 Location Alabama Nov 6, 2025 #2 Found a diagram for the routing on one of my parts cars...thanks...
K Kidd-7 Seasoned Veteran Poster Lifetime Supporter Joined Sep 22, 2023 Messages 923 Location RTP, NC Vehicle Details 96 Cougar 4.6L Nov 6, 2025 #3 From what I remember the aftermarket PCVs have 2 ports and come with a plug for cars that use only 1 port.
From what I remember the aftermarket PCVs have 2 ports and come with a plug for cars that use only 1 port.
theterminator93 Administrator Staff member Joined Sep 12, 2023 Messages 2,376 Location North Ridgeville, OH Cars in Garage 2 Vehicle Details 1997 Thunderbird 4.6, 1998 Mark VIII LSC Nov 6, 2025 #4 Yeah, my stocker is a single-port that runs to a breather port on the bottom/front of the plenum elbow, between the IAC and EGR valves.
Yeah, my stocker is a single-port that runs to a breather port on the bottom/front of the plenum elbow, between the IAC and EGR valves.
XR7-4.6 Administrator Staff member Joined Sep 12, 2023 Messages 4,926 Location Roselle, IL Cars in Garage 1 Vehicle Details 1994 Cougar XR7 DOHC TR3650 Nov 6, 2025 #5 I’ve seen replacement PCVs for 96-97s with dual ports and a cap on the smaller one. 94-95s used the dual ports for the EVAP inlet
I’ve seen replacement PCVs for 96-97s with dual ports and a cap on the smaller one. 94-95s used the dual ports for the EVAP inlet