1994 Pontiac Firebird Owner's Manual - Page 193
1994 Pontiac Firebird Manual
Page 193 highlights
Service and Appearance Care 3.4L L32 (Code S ) To Check Engine Oil (3.4L L32 (Code S) Engine) Pull out the dipstick and clean it with a paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip lower, and check thelevel. T Check Engine Oil o (5.7LLT1 (Code P) Engine) Pull out the dipstick slightly. Pinch the end of the dipstick tube as you remove the dipstick to wipe the oil from it. Then push it all the way back in. Now remove it without pinching the tube, keeping the tip lower. When to Add Oil: If the oil is at or below the"ADD' line, then you'll need to add some oil. But you must use the right kind. This section explains what kindof oil to use. For crankcase capacity, see "Capacities and Specifications" in the Index. ...I92