The thermostat is located where the upper radiator hose connects to the engine.
The thermostat on a1998 Honda Civic is found on the right side of the engine. It is located in the thermostat housing which can be found by following the lower radiator hose.
The keyless entry module on a1998 Honda Accord is located underneath the dashboard. It is housed on the driver-side the of dash close to the main relay.
the fule PUMP is in the tank
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5x100
I would check the thermostat first but what it sounds like is that the coolant system is clogged up causing no coolant to pass through the heater core. If the coolant is very dirty then you will need to flush out the complete system and this will need to be done by removing the hoses to the heater core and the thermostat. Flush it out several times until you get clean water coming through........
YES
180 - 215 degrees.
it has one muffler
YES.
Yes
Very carefully...