1990 Honda Civic "sure temp" Questions

temp before the catalytic converter will be abnormally higher than after the cat. BUT if you are experiencing misfire of engine. I would go straight to replacing spark plugs and wires. Distributor cap

...temp. switch, relay. still radiator fan not working. condenser fan is now working. antifreeze at the radiator is about 195 degrees. gauge in the dash only goes 1/4 away from cold side? could I have ...

...temp switch to turn the fans on in the bottom left side of the radiator. Not sure if that is the case on yours, haven't worked on a Honda recently. Anyway, the switch operates a relay, not the fan ...

...temp gage goes up and then down. It doesnt do it all the time but its dont it more times then i like. What could be wrong? Start with checking your coolant level, you may need to add some. Make sure ...

...temp has been in the teens to low 30's. Today it hit the red line. I immediately slowed down from 55 to 45 and the gauge went down. It helps somewhat that I do not use the heater. Is it the fan or a ...

the heater needs to be hotter It takes a long time for the heater to get hot. Still it is not hot enough in cold Montana. Then look at higher temp thermostat. Be sure to bleed any air out the system.

...cooling sensor,radiator cap temp still going up & down??? what else can it be?? I assume you are sure the cooling system is full of liquid and no air.My first guess would be the 

...temp. spec.. Dash guage varies.? oddly (air in system)? Dash gauge too high.? (Stat put in upside-down or bleed hole (jiggle) not UP side. higher side of mount , trapping air.) Does something wrong ...

Temp gauge goes up when aircon is on while in heavy traffic. Check coolant sensors and make sure you actually have coolant in the radiator and not water. Check to make sure your coolant themostate is ...

...temp sensor. relay, and seems that the fan comes on when its really hot. could it be the thermostat is stuck. clean the engine and it hesitates like it has no power and misfires. thermostat is stuck ...