Problems accelerating?

1985 OLDSMOBILE DELTA 88
129,000 MILES • 6 CYL • 2WD • AUTOMATIC
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129,000. My car has had problems accelerating. It seems to be doing fine when I am around town but when I get to the interstate, that is when it does not go and seems like it is missing or something. I thought I needed a tune-up so I got it done and the problem still continues. Somebody mentioned to me that it might be my fuel filter. I just got my fuel pump replaced also. Please help me. Thank you so much for your time.
Nov 8, 2010 at 9:47 PM
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Check the catalytic converter to make sure it is not “plugged” or restricted. Also, check the fuel pump pressure.
Nov 8, 2010 at 9:49 PM