Sensor Question

[Shannen Durphey]

SPECTRO COATING CORP. wrote:
> 
> Hi All -
> 
> Question - what is the sensor mounted on the fuel pump modules of late GM
> vehicles? The unit mounts directly to the module and appears to be a small
> pressure sensor referenced to tank atmosphere. I've been finding them on my
> weekly scrounging run to the local GM dumpster ;)
> 
> Anybody?
> 
> TIA - Jason
Probably vacuum sensor to ensure there are no leaks in the vapor
containment system.
Shannen