1993 Toyota Corolla "creates high coolant pressure" Questions

...flush,fresh coolant,tune it up etc.In addition a high nox number may be a sign that your catalytic converter needs to be replaced.The converter is where the nox gets neutralized. good ...

...creates the pressure. As for the car overheating, the thermostat could be stuck or no longer opening enough. This sometimes shows up as slowly getting worse over months. If it suddenly failed, then ...

...high because the wrong amount of coolant has been added. Freon is now a banned substance in many countries due to the greenhouse effect it has. A refrigerant overcharge alters the pressure inside the ...

coolant gets too low it can also create an air pocket in the system and you wont get proper pressure. If the level is really low in the over flow resevoir, fill it up to the max line, and with the car

...coolant or liquid will flow through it, as a running engine and high temperatures create a lot of pressure. So why not pass on that one , and keep looking Something a little newer would be better ...

...coolant then hook it up to the low pressure side as shown on the can. Start the engine and follow their instructions. If you have a leak you should add UV dye to the system to locate the leak then ...

high and so I went to an auto supply place and they put some anti freeze in because they said it was low and now my heater only blows warm heat some of the time? Suspect the most likely problem is air

...high prrssure like the fluid under the cap (inside the coolant system). It's on the otherside of the cap and will never "stream or gush" coolant (uless you are over heating badly). As the coolant in ...

...creates the high pressure buildup in the A/C evaporator core (19860) and separates the high and low pressure sides of the A/C system. As the liquid refrigerant leaves this restriction, its pressure ...

...high voltage, low voltage, or slow response 65 Oxygen Sensor Heater (Secondary) malfunctioning or defective oxygen sensor heater 67 Catalyst system Efficiency Below Threshold malfunctioning or ...