How Long Does a Thermostatic Vacuum Sensor Last?

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Winter can make for tricky driving conditions - just starting up your vehicle can be a bit more of a chore. When the engine is cold, it takes a few minutes before it reaches optimal temperature and you should start driving. The engine needs to be running optimally so that it can create vacuum, which isn't possible when it’s cold. This vacuum supports all kinds of other components in your automobile such as your distributor, EGR system, cruise control, and even the heater.

So what monitors the temperature? That's the job of the thermostatic vacuum sensor, which can be found on the intake manifold. This component measures the temperature of the coolant in order to figure out if the proper operating temperature has been reached. At that point the vacuum sensor is able to open up the various parts it controls. Without the vacuum sensor working, you'll have issues with your engine running properly as well as other problems. While there is no set mileage that this part is meant to last, it is important you keep it in good working condition.

Let’s take a look at some signs that the thermostatic vacuum sensor may have reached the end of its lifeline and needs replacing:

  • When you first start up your car, especially if it is cold out, you may notice that the engine has a hard time. It will remain the case until the engine is able to warm up.

  • When the engine is hot it may stall, stumble, or feel like there is a decrease in power. None of this is normal and should be diagnosed by a mechanic.

  • The vacuum sensor may become faulty and then get stuck in a closed position. If this happens you're going to start expelling higher levels of exhaust emissions, you would likely fail a smog inspection, and you'll notice your fuel consumption is very poor.

  • Another sign is the Check Engine Light - which may come on. It’s important to have the computer codes read by a professional to determine the exact cause.

The thermostatic vacuum sensor runs based on the temperature of your engine coolant. From that information it knows when to open or close the vacuum. This part needs to remain in good working order for your engine to operate properly. Have a certified mechanic replace the bad thermostatic vacuum sensor to eliminate any further problems with your vehicle.


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Rigoberto

9 years of experience
706 reviews
Rigoberto
9 years of experience
Chevrolet Equinox - Brake Pads Replacement (Rear) - Niles, Illinois
Rigo was great! He got there early, finished the job early, left everything clean. He changed my rear pads and rotors. The original quoted time was 90 minutes, he was done in about 60. He knows what he is doing and I am recommending him to all my friends and coworkers.
Mercedes-Benz C250 - Brake Pads Replacement (Front, Rear) - Chicago, Illinois
Rigo is a maverick hands down. Don’t take your car for work elsewhere. Especially great at Mercedes—this guy knows his profession! I will be using him for everything related to my car going forward.

Arturo

25 years of experience
35 reviews
Arturo
25 years of experience
Kia Forte - Brake Pads Replacement (Front) - San Diego, California
ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto
Nissan Maxima - Brake Pads Replacement (Front, Rear) - San Diego, California
Arturo was prompt and completed my brake repair, including new rotors in a very efficient manner. I am very pleased with the quality of the work and the parts and will definitely look to have him service our other car in the near future.

Scott

32 years of experience
345 reviews
Scott
32 years of experience
Lexus IS250 - Brake Pads Replacement (Rear) - Denver, Colorado
Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Michael

10 years of experience
15 reviews
Michael
10 years of experience
Nissan Sentra - Brake Pads Replacement (Front) - Conyers, Georgia
He was promptly on time and got the job done efficiently in a timely manner. I really appreciate the rapid respone on getting the job done! I would most definitely use this service again.

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