When I shift gears, it seems to run really rough and not want to accelerate. Sometimes it smooths out a bit, but then I have to change gears again. Anyone have any ideas? Spark plugs? How do we change them.
Tune up ever in 30k?
change plugs.
unscrew them, 1 at a time ,set the gap to spec, screw back in and set to 25ft/lbs torque.
done.
is the check engine lamp on while driving.?
come back.
we can help.
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Had the same problem with a 99 with auto tranny. Had a chevy dealer do a diagnostic, the speed limit sensor was out. Replaced at a costly $285 and it runs better than it has in awhile. If you know the plugs and fuel filter, and pcv valve is good, may try a computer diagnostic
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