engine off and ignition on: 23 to 31 psi
engine at idle: 13 to 20 psi
There isn't a trans filter on the Firefly manual trans.
1 3 4 2
for a 4 cylinder it is 1-3-4-2
Roughly 4.5 quarts with a filter change.
1-3-4-2
100-125psi
Try replaceing the filter or the fuel pressure regulator.
The 1989-94 Geo Metro is the same car as a Suzuki Swift or the Pontiac Firefly. Most parts on those cars would be compatible.
The brake master cylinder has nothing to do with the way the car runs. It certainly wouldn't cause it to stall.....Maybe the brake booster?
Check with manual gauge - if pressure normal - could be defevtive oil pressure sensor or gauge
The fusible links are all on the large terminal on the starter - The one the battery cable hooks to.
with your vague discription, id say master cylinder is shot.