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Brake Booster Vacuum Sensor Replacement

Auto Repair & More, Right to Your Door!

What does the brake booster vacuum sensor do? Brake boosters use a vacuum to generate additional force needed for efficient braking. The internal combustion engine in cars provide the vacuum with what it needs for the brake boosters to function. Most internal combustion engines come with a control system that senses when there is low workload and the engine will not operate on all eight cylinders. This system deactivates some of the cylinders for fuel conservation in the Displacement on Demand or DOD mode. Howeve? an engine in the DOD mode might not provide sufficient vacuum to the brake booster. The brake booster vacuum sensor is a single chip device that vehicle manufacturers fit onto the control unit of the brake booster. This device monitors the vacuum in the brake booster and ensures that there is a enough vacuum. If the vacuum levels fall below optimum level? the brake booster vacuum sensor sends a signal to the engine and deactivates the DOD mode. Once activate? the engine can once again create the vacuum needed for the brake booster to function. How do you know you need your brake booster vacuum sensor replaced? Service brake light comes on Reduced brake power message may come on How important is having your brake booster vacuum sensor replaced?


5-Star Service

5-Star Service

"I'm a big fan of this incredibly convenient service! GoWrench staff do a great job and respect your time, unlike the nightmare that is involved in visiting the dealership/auto shop just to get your tires rotated or oil change. I shouldn't have to lose a day of work, two times a year, just for regular maintenance & tire swaps -- and with GoWrench, I never have to deal with the patronizing, dirty, and time-consuming service at the car dealership or auto shop, again!"

Ainslie Enkelaar

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How it Works


Select Service(s)

Get an instant online price for most maintenance and tire services.  For repairs, you can book a service call and a mechanic will diagnose the concern and give you a quote, on-site. If you would like a quote before we see the vehicle, you can Request a Quote in as little as 60 seconds and receive your quote by email or phone, usually within 1 business hour.


Book a Time

After selecting your service(s) (or a diagnostic), simply select a day & time that works best for you and we will dispatch our best-suited technician or mechanic, based on your vehicle & needs. You will receive a confirmation email with the details and a reminder email/SMS as well. Auto care has never been easier!


Receive Service

Once the technician arrives, they will explain the work order, what they will be doing and then begin work on your vehicle. In most cases, a complementary Digital Vehicle Inspection will be completed so you can have peace of mind that your vehicle is in good condition or what may need to be addressed in the future.

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Check prices &/or schedule a service online, or give us a call

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