1984-88 SENSOR, M.A.P. (V6 and L4) 16017460
If you look into the 460's connector, you will see an aqua (blue-green) color insert in the connector. I think all aqua's are the same MAP. But maybe it is all 460's are aqua. ;-)
Other MAP's are different color.
From: Scot Sealander
Signal voltage will vary from 1 to 1.5 volts at idle to 4 to 4.5 volts at wide open throttle. The easiest way to test the MAP sensor is to disconnect the electrical connector at an idle. If the idle improves, the MAP is the problem.
From: Scott Backer
There is a newer version of the MAP sensor which can be ordered. It is superior to all existing MAP sensors. For information please refer to: http://www.pontiacperformance.net/TechArticles/MAP_Upgrade.html.
From: Todd Jaspers