Google says this is the MAP sensor but I don't think it would have coolant
in it. The leak is below it.

"Tim" <T&L@askme.net> wrote in message
news:M8adnTs4wKwHMHvVnZ2dnUVZ_ofinZ2d@comcast.com. ..
> The leak is directly below an electronic device. It says 16187556 pressure
> sensor 5130. Hope this helps.
>
>
> "Tim" <T&L@askme.net> wrote in message
> news:2Z-dnZnvxZN6NHvVnZ2dnUVZ_vudnZ2d@comcast.com...
>>I have a 95 Buick with a 3800. I replace the water pump 6 months ago.
>>Today it is leaking coolant. At first I thought it was the water pump
>>again but the leak is coming above the WP. I did a quick look as it is
>>getting dark and it appears to be a short tube that has a 90 degree bend
>>in it. This looks like the old by pass hose for the t stat but it appears
>>to be steel not a hose. Any ideas what could be leaking?
>>
>> TIA
>>
>
>