Loss of Power at Freeway Speeds on Geo Prizm

A loss of power on the freeway may due to an internally leaking fuel pulsation dampener. This commonly occurs on higher mileage vehicles.

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Average mileage: 225,333 (107,000–330,000)
Engine affected: 1.6L 4 Cylinder
6 model years affected: 1992, 1993, 1994, 1995, more1996, 1997
9 people reported this problem
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problem details
1994 Geo Prizm - 1.6L 4 Cylinder 330,000 mi,
Uneven acceleration at highway speeds
1995 Geo Prizm - 1.6L 4 Cylinder 239,000 mi,
At high speed, the engine shuts down and the check engine light comes on.
1995 Geo Prizm - 1.6L 4 Cylinder 107,000 mi,
for some unknown reason i have total loss of power even with a full tune up after 40 miles per hour cant maintain speeds on highway slows down going up a slight incline no one can find the issue this could be it