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Why would the rpm be high at cold start up?
It is intentional, it is called high idle. It helps warm the engine to proper operating temperature.
What does the thermostat control?
The engine thermostat controls the flow of coolant to the radiator , it allows the engine to warm up before the thermostat opens in order to limit the maximum operating temperature.
Should the engine be running when checking transmission fluid in my 1988 Mercedes 190e?
yes, in park, at operating temperature (let it warm up for about for about 5 minutes)
What does a thermo valve assembly on a Dodge Caravan do?
it is vacuum vavle controled by engine temperature. mostly used until engine gets up to normal operating temperature, or after the engine gets to normal operating temperature. depending on what is hooked up to the vavle. i hope this helps Answer your question.
1990 olds toronado wont start when its warm up?
the starter may be worn on your car if it starts up easily when its cold but slowly turns over when it is at the operating temperature. Replace the starter to your engine.
What happens if you remove the thermostat from your automobile?
A thermostat blocks water flow until the engine reaches operating temperature. Without a thermostat installed the engine will be very slow to warm up in cold weather and interior heat will be delayed.
Do you need a thermostat on a 95 Honda Civic dx?
Yes, you most certainly do. If you have no thermostat installed then the engine will take a very long time to reach full operating temperature and may never get to the proper temperature. The thermostat allows the engine to warm up quickly which helps prevent engine wear, reduce engine deposits, and emissions. The thermostat keeps the engine at the proper operating temperature for the best performance and best mileage. Running a modern computer controlled engine without a thermostat is a very bad idea.
Why would you replace a thermostat?
Not functioning properly If stuck closed engine will overheat--no coolant flow through engine. If stuck open--vehicle will not warm up to normal operating temperature - no heat in passenger compartment--poor fuel economy
What is the purpose of a car thermostat?
To let the engine warm up by closing flow of coolant. When operating temperature is reached the thermostat pops open allowing full flow of coolant. Totally necessary in winter !
Do you need the thermo stat in your car?
Yes you do. it is there to speed up the rise in temperature of the engine components to reach optimal operating temperature sooner which prevents damage to the engine.
02 impala with check engine code p0128 this code is not found under emission codes what does this code mean and how do you repair?
It means the engine didn't warm up to the correct operating temperature. Thermostat is probably stuck open. Replace the thermostat.
What can a broken thermostat in a vehicle do?
In very short: If the thermostat stays open, the warm-up time for the engine will be significantly longer, resulting in unwanted start-up wear. If the thermostat stays closed, the engine coolant can not circulate through the engine and cooling system, resulting in the engine overheating, as the coolant is used to keep the engine in a specific operating temperature.
