Every 5.000 miles
where is located the oil pressure switch for 94 geo prizm
The oil capacity on a 1996 Geo Prizm is approximately 5 quarts. The recommended oil type is 10 W 30.
May have to change oil.
1.6 liter holds three quarts with a filter change.
3.9 Quarts in a 1996 SD with a filter change. 3.7 if you don't change filter.
5W30
Smoke: A engine oil or tranny fluid or lower steering fluid LEAK. Steam: A water leak.
4 quarts
I would recommend 5w-30
75-90 weight gear oil
chances are you need a new head gasket, or some other seal