1994 Honda Civic Q&A

1994 Honda Civic Question: car ideals up and down

When car is in park it ideals up and down also when driving at low speeds it putts -
Answer 1
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. -