your motor needs to be replaced,or it could just be the module on the motor.
Pontiac Trans Sport was created in 1990.
It's concealed in the roof
185 hp
The horn is under the left head light .
under the floor mat on the passenger side
On the lower driver side of the radiator!
If an automatic transmission ,broken bands in the tranny.
Wiring for 91 Pontiac Transport: http://www.auto-olds.ru/PONTIAC%20TRANS%20SPORT%201991.pdf
(4.3L) 4.5 quarts oil and filter change.
on top of oil filter housing
1-6-5-4-3-2
The 1993 Trans Sport is a type of Pontiac mini van. The transport weighs anywhere from 3,600 to 3,900 pounds.