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Symptoms of a Bad or Failing Carburetor
Common signs include reduced engine performance, black smoke coming from the exhaust, backfiring, overheating, or hard starting.
Symptoms of a Bad or Failing Air Bleed Housing Assembly
Common signs include coolant leaks, overheating, and a damaged bleeder valve.
Symptoms of a Bad or Failing Coolant Tube
Common signs include low coolant levels, visible coolant leaks, and engine overheating.
Symptoms of a Bad or Failing Coolant Reservoir
Common signs include needing to constantly add coolant, finding coolant leaks, and the engine overheating.
Symptoms of a Bad or Failing Cooling Fan Relay
Common signs include the engine running hot and cooling fans either not functioning or running all the time.
Symptoms of a Bad or Failing AC Condenser Fan
Common signs include lukewarm air coming from the AC vent, the car overheating while idle, and a burning smell in the car.
Symptoms of a Bad or Failing Low Water Sensor
If your car has low coolant without a warning, the Coolant Light comes on for no reason, or the car is overheating, replace the low water sensor.
Symptoms of a Bad or Failing Fan Clutch
If your car has a fan clutch, common signs include the vehicle overheating, the cooling fans working very loudly, or engine performance decreasing.
Symptoms of a Bad or Failing Coolant Temperature Switch (Sensor)
Common signs include poor fuel economy, black smoke coming from the engine, overheating, and the Check Engine Light turning on.
Symptoms of a Bad or Failing Electronic Ignition Pickup
If your car has an electronic distributor ignition system and the engine stalls or car does not start, you may have to replace the ignition pickup.
Symptoms of a Bad or Failing Oil Cooler Adapter Gasket
Common signs include oil leaking from the oil cooler adapter, engine block, and oil filter. Prevent damage to your engine by getting the gasket fixed.
Symptoms of Bad or Failing Intake Manifold Gaskets
Common signs include the engine constantly overheating, coolant leaking, engine misfires, and a decrease in power, acceleration, and fuel economy.
The Best Tool to Find Coolant Leaks
Diagnosing a car issue can be a tricky without proper tools. A coolant pressure tester is useful for diagnosing overheating issues and coolant leaks.
Symptoms of a Bad or Failing Serpentine/Drive Belt
Common signs include a squealing noise from the front of the vehicle, power steering and AC not working, engine overheating, and cracks on the belt.
How To Keep Your Car From Overheating
Monitoring your coolant level, turning the A/C off in very hot weather, and regular inspections will help you avoid having an overheating car.
How to Buy a Good Quality Radiator
The numerous moving parts of a vehicle are certain to rub together, causing friction which generates a generous amount of heat. The motor oil that is being pumped in as lubrication can only...
How to Prevent and Handle an Overheated Engine
An overheated engine can seize the motor completely. Learn how to prevent your engine from getting too hot and causing damage.
How Long Does a Water Pump Last?
The engine in your car produces a lot of heat, which means that the cooling system in your car will need to do its job to keep it from overheating. There are...
How to Keep Your Car Running Well When It’s Hot Outside
Your car is affected considerably by the environment around it, including: Cold, freezing temperatures Dry, arid climates Hot temperatures and direct sunlight Precipitation in the form of rain...
How to Diagnose a Cooling System Problem
You may be driving down the road or sitting at a stop light when you first notice the temperature gauge in your vehicle starting to climb. If you let it go...

Related questions

Chrysler Sebring is still running hot after a radiator flush
This can be caused by a number of things such as low coolant levels, a plugged radiator, or a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning...
Possible fixes for overheat
Good question and I'm sorry about the problem you are having. However, I need to know where your leak is coming from. Is it in the front or the sides? I recently had a customer with the same exact car...
Car cranks but does not start
Hello and thank you for contacting YourMechanic. The fault for the car access system is displayed from the Control Module Car Access (CAS). The CAS is located under the dash by the steering column. Disconnect the battery ground to the...
Cracked valve cover
Good question and I hope I can help you fix your issue. Your car may not be starting due to your valve cover being cracked. It may also not be holding enough pressure in the engine to start. However, we...
Car keeps overheating, the cap will not fit on the radiator
The radiator will not cool the engine unless you can find a cap to fit it. The cap seals in the coolant and keeps pressure in the system to keep the system from overheating. If the radiator is an aftermarket...
Car keeps overheating and losing antifreeze. Thermostat and hoses are all fine. What else could it be?
Hi. I believe your Hyundai has a blown head gasket. This failure mode may not contaminate engine oil with coolant as sometimes occurs. The lost coolant may go into the cylinder or the exhaust instead. A slightly sweet smell from...
Can an overheated engine cause a knock sensor to fail?
Hi there. From the description you have given, seems odd hitting a bird would damage the radiator, the condenser sits in front of the radiator. Regardless, high engine temperatures can affect sensors. The knock sensor could have failed due to...
What isn't working in my car? It's overheating only when I'm stopped in traffic or in a drive-thru.
It sounds like you may have a cooling fan not working. The cooling fan draws air across the radiator to lower the temperature of the coolant. This occurs at a specific temperature and a fan switch, usually on the radiator,...
My car has a coolant leak but the engine is not overheating.
Since you have had the water pump and intake gasket replaced in the last two years, I would recommend having the system pressure tested and inspected to see if the radiator is leaking or the water pump is leaking again....
Car is overheating - 1999 Pontiac Grand Am
Hi. A bad water pump is a common cause for this car to overheat. This is what I would start with in order to repair the overheating problem. Keep in mind that a clogged radiator or heater core could also...
Can a gasket leak from the intake leak air into the cooling system?
Hi there. An intake gasket leak would allow unmeasured air into the intake and create a lean condition, not an overheating issue. Base on what you've described, it sounds like you may have a leaking cylinder head gasket. Adding sealants...
Thermostat gauge reads in the middle.
The temperature gauge should go up to about the middle when the system is working normally. If the gauge is reading anywhere near the middle of the gauge it is not overheating. The gauge does not have numbers on the...
Can I drive my car with a bad radiator fan clutch?
The fan clutch only comes into play when the vehicle is not moving. If the clutch is not engaging, causing the fan to not spin, then you will be fine as long at the vehicle is moving. If the vehicle...
Car is losing power and the temperature gauge reads high.
Hello. From what you've described, most likely, your engine has had a head gasket failure, perhaps because of a failed thermostat - which could cause the "temperature way up, then backs off" cycle you describe. A failed head gasket means...
I'm loosing coolant. In some cases it takes a week to refill it again, especially when I'm driving in areas where there is vibration like gravel roads.
This may be a result of a leak in your radiator or potentially a blown head gasket. In the case of a leak, this may be a slow leak and may be hard to notice. Check for wet spots underneath...
Car is leaking coolant, and overheating, is it the intake manifold gasket?
This may be related to a few different things such as a bad thermostat, a failing coolant fan relay, or a blown head gasket. As you may know the thermostat regulates the flow of coolant in and out of the...
Car is still overheating - 2006 Acura TL
There is no bleed screw on the 2nd generation TLs. Bleed the cooling system with the nose of the car higher than the rear if possible let it heat up at an idle until the thermostat opens and allow all...
Sensor problem? Transmission overheating
Hi there. Your Focus has what is called a dual-clutch "automatic" transmission. Mechanically, it is a manual transmission with 2 clutches and servos, and other electronics used to handle the clutches and shifting such that it acts like a classic...
Vehicle is starting to overheat at idle.
There is a technical bulletin TSB 04-06-02-006A that covers the issue you are getting. It states that the cooling fan clutch will disengage at lower rpm's of the engine and will allow the engine to overheat. You should replace the...
Truck starts to overheat and blows cool from the heater but fixes itself after hitting a bump.
The overheating may also be caused by other issues such as a bad heater core. This is a small radiator used to warm up the interior of the vehicle making the heater operational. A valve controls the flow of hot...

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