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Replaced thermostat and sensor and gauge on 1989 Chevy Celebrity will overheat when driving in city where it is stop and go but driving on highway it will be stay at normal. Why does it overheat?
Possibilities: Cooling fan not working. Low on coolant. Clogged radiator, radiator hose or block.
Why would my 2003 Ford Escort ZX2 warm up then begin to run cold when the Heater is on or if I am driving down the highway?
thermostat needs replaced
What would cause 95 S10 Blazer to overheat on the highway at 60 to 70 but not on city driving 40 to 50?
The most likely causes for the S10 Blazer to overheat at highway speeds but not in the city are a failing radiator fan clutch, a clogged radiator, or a failing water pump. At highway speeds, the engine is working harder and generating more heat, which could overwhelm a system that is not functioning properly. It's recommended to have the cooling system checked by a mechanic to diagnose and fix the issue.
Your 2003 jeep Cherokee runs hot in town but not on highway?
more airflow over the radiator keeps it cool on the highway, in town more sitting in traffic and lower speeds let it run hotter. If it is nearly over heating start with the easy things check the radiator fluid. if it is full then it is probably the thermostat sticking either open or closed. since it runs cooler on the highway I would think it is stuck open allowing the water to circulate through the radiator.
My 1990 Integra GS auto registers no heat on the temp gauge at highway speeds but in city registers normal on temp gauge Thermostat or temp sensor side note small amount of coolant leaked randomly?
change the thermostat. sounds like it is stuck open, allowing high flow through the radiator at highway speeds where the air flow rate accross the radiator is enough to keep it cool. In the city the fan thermostat turns the fan off to maintain temperature. Nice easy and inexpensive fix. Should also improve milage slightly.
What if your 1995 240sx overheating and then stalled out on the highway now it will crank but it will not turn over what do you need to fix?
Something can be wrong with your starter.. have you tried push starting the car? Check your coolant systems.. radiator, water pump, thermostat..
What would cause a 1998 Dodge Ram Van 1500 to overheat on the highway only and cool down when going slower?
could be a bad radiator, or not enough flow to radiatorAddendumI had the exact same problem and it turned out to be a plugged up radiator. I also had this problem, so hose flushed the radiator, and the problem still persisted. Turned out that the thermostat was sticking; not opening fully. I put another one in, and it's running cool now. Change your thermostat. They need to be changed anyway, so do it, and I'll bet your overheating problem will be cured. Cheapest cure there is.I recently went thru this on a 99 dodge ram 1500, replaced the thermostat, still had probs with over heating on the highway, after that noticed that my water level in my radiator kept going down, changed the water pump and that was the issue. after about a week of overheating and running low on water. if replacing the thermostat doesnt work, you need to check to see if you have any water leaks at all on your water pump, then with as old as my van is, i just make sure once a week to check my water level and keep water in my resivoir as well, never had a prob since.
Why is the heat on my 2000 Chevy blazer LT 4x4 isn't coming out hot but when on the highway it start coming out warm but not hot?
Replace thermostat with a 195 degree one. Check engine coolant leval in radiator sounds like it is low on coolant.
Why is your Jeep Grand Cherokee overheating when you idle?
My 2000 would overheat at idle; in park & slow traffic. Ran normal on the highway. I 1st replaced the fan relay everyone has been blogging about, engine still overheated. Next attempt for victory, I replaced the temp sensor switch; defeated again. I then replaced the thermostat & haven't had a overheating incident since.
1995 Toyota pickup overheatingWhen i drive on highway not in town?
no flow in radiator
Why would cause your 1996 Eclipse GST Turbo to run hot after 12 miles of driving?
Check the operation of the cooling fans. However, if you are driving at highway speeds the cooling fan would not be needed, therefore it could be a defective thermostat or a clogged radiator, in which case a radiator shop could clean and refurbish it. If not driving at highway speeds, the check not only the fan, but the thermostatic switch controlling the fan and the fuse/circuit breaker for the fan system
Have no power on highway?
Check your fuel filter. When was the last time you also checked your air filter.
