Question about 1994 Buick Century
Runs worse as it gets warm
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Posted on Jan 02, 2017
plugs and or wires.
for some reason the spark is jumping out of the wire or plug.
the plug insulater may have a crack in it.
also use a carb spray to clean out the throttle body at the throttle plate.
all the black carbon will build up around the throttle plate and restrick airflow at an idle position.
hope this helps
Posted on Aug 26, 2009
Testimonial: "thanks I think a good tune up is what is needed, hopefully that's all"
Sometimes a rough idle like that is a fuel filter. As you've already done the plugs and wires the fuel filter would be my next bet.
Posted on Mar 15, 2010
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