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map sensor?

2K views 13 replies 2 participants last post by  ricky1379 
#1 ·
what is this and where does the vacuum line goes?
 
#3 · (Edited)
That's either your MAP OR BAP sensor depending on the year of your Mustang, 87-88 uses a MAP sensor.
The only difference is in the S/D the vacuum line is hooked to the intake to find manifold pressure; on a BAP it is unhooked to find barometric pressure.




You posted MAP sensor so I'll assume yours is S/D .

While looking MAP sensor on the firewall on the left side of MAP sensor you'll see a round shaped fitting this is where vacuum hose connect too. The other end of the hose connects to the bottom of the upper intake to a round metal fitting.
 
#9 · (Edited)
Sounds like condensation if it's at start up.
If you still have the cats and without the smog pump the cats will get hotter and if there is any moisture in the exhaust system the cats will burn it off and the white smoke you're seeing is nothing more than steam.
Check your fluid level in the radiator and if it's low it's a possibility of a blown head gasket.
 
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