A loss of power on the freeway may due to an internally leaking fuel pulsation dampener. This commonly occurs on higher mileage vehicles.Google+
Car Problem Reports
Toyota Avalon Loss of Power on Highway Due to Internally Leaking Fuel Pulsation Dampener
Toyota Avalon Problem
Engine Affected: 3.0L V6
Visitor, 1995 Toyota Avalon, 3.0L V6, 223 mi
I just replaced the lower half of my engine it starts fine but when I try to give it gas it starts to blog out like it has loss of power. No service lights are on at all. What do I do?