Having problems with your 1989 Ford Crown Victoria ?
WHAT IS A PLENUM - 1989 Ford Crown Victoria
It is the upper intake that looks like aluminum pipes ,
A plenum is the top part of the intake manifold, modern fuel injected cars and trucks (gas engiones) have a upper and lower intake manifold, the upper section is called the plenum.
Repair Help & Product Troubleshooting for 1989 Ford Crown Victoria
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