MY 1998 PONTIAC BONNEVILLE HAS NO PROBLEM IN REVERSE BUT SLOW TAKING OFF IN DRIVE AND RPM RUN HI OVER 40MPH
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1998 Pontiac Bonneville Question: TRANSMISSION
Answer #1Superbob February 06, 2011, 16:16Master
I think you have a transmission problem and it's running in 2nd as a default 'limp-in' mode to get you home or to a transmission shop to check it out.
Here's a directory link for you for a GM specialist: