car ideals up and down on 1994 Honda Civic

When car is in park it ideals up and down also when driving at low speeds it putts

by in Boston, MA on April 15, 2010
1 answer
ANSWER by on April 15, 2010
Check the coolant level , low level can cause a Honda to have a surging idle. It could have a bad coolant temperature switch in the cylinder head or a bad ground at wires I think on that engine are near the thermostat housing under a bolt thats head size is 10mm.
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