Emissions puzzle
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Semper Fi
Joined: Feb 2011
Posts: 771
Likes: 1
Emissions puzzle
Have a 82 f150 300/6 with 1 bbl Carter yf. Emissions system is a disaster and I am missing the label on the radiator cowl. Can someone tell me on the vacuum tree coming off thermostat housing which terminal goes where. Mine is green with four vacuum ports labeled by letters. Thanks.
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
Can you post the letters on the Ported Vacuum Switch (PVS), and what nipple each letter coresponds to on the (PVS).
Without the emissions lable, it's going to be hard to tell how that PVS is routed and for what.
Does your carb still have the original motorcraft carb tag? If so post the numbers. That might help narrow your calibration code.
Without the emissions lable, it's going to be hard to tell how that PVS is routed and for what.
Does your carb still have the original motorcraft carb tag? If so post the numbers. That might help narrow your calibration code.
Moderator
Joined: Jan 2001
Posts: 56,999
Likes: 2,746
From: Virginia
AutoZone.com Repair Guide Image
Here's a diagram, it's not your exact year but it does have the 4 port valve in it, and it is a six.
Here's a diagram, it's not your exact year but it does have the 4 port valve in it, and it is a six.
Moderator
Joined: Jan 2001
Posts: 56,999
Likes: 2,746
From: Virginia
AutoZone.com Repair Guide Image
Here's a diagram, it's not your exact year but it does have the 4 port valve in it, and it is a six.
Here's a diagram, it's not your exact year but it does have the 4 port valve in it, and it is a six.
