Barometric Sensor - Repiars & Replacement in Hamilton | Grimmer Motors
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Barometric Sensor – Repairs & Replacement in Hamilton

What does the barometric sensor do?car air pressure sensor Hamilton NZ

Engines use a combination of air and fuel which is ignited by the spark plugs to create combustion. These series of combustion’s turn the crankshaft and camshaft and allow your vehicle to run. The barometric sensor (also known as the barometric air pressure sensor, baro sensor or BAP) is one of many sensors that monitor air levels and allow adjustments to be made to improve this combustion process.

Driving at higher altitudes can be challenging for engines. As your altitude increases, the air becomes thinner. This means that less air will enter your engine. The barometric sensor is responsible for measuring the atmospheric pressure of the environment that the car is driving in. This allows your car’s onboard computer to make adjustments to fuel injection in order to run optimally, reduce misfires and improve fuel economy.

Problems with the barometric sensor can result in too much fuel or too much air entering your engine. This can result in a lean fuel mixture (too much air) or a rich fuel mixture (too much fuel) and affect the performance and fuel economy of your car.


Symptoms of a faulty barometric sensor:

A malfunctioning barometric sensor displays all the common symptoms associated with an incorrect air/fuel ratio. However, one way to tell it apart is that these symptoms may only appear when driving in conditions of high or low air density.

  • Increased fuel consumption – A faulty barometric sensor will often cause your engine to use more fuel. This happens due to improper air/fuel levels which cause fuel to not burn correctly.
  • Increased emissions – When fuel doesn’t burn correctly, it will exit your vehicle in the form of black smoke from your exhaust. Increased emissions can lead to your car failing its Warrant of Fitness.
  • Reduced acceleration and engine performance – A faulty barometric sensor can cause your car to struggle with acceleration, idle roughly or stall in severe cases.
  • Check engine light on – When your engine’s air/fuel ratio is incorrect due to a faulty barometric sensor, the Check Engine Light will appear on your dash.


Car Barometric Sensor Replacement in Hamilton

Is your car in need of a new barometric sensor? If so, we can help! At Grimmer Motors, our team of experienced mechanics can use advanced scan tools to examine your engine for problems related to air/fuel ratio. This allows us to quickly determine if the barometric sensor is the cause of the problem. From there, we can install a new barometric sensor, which will allow for improved engine performance in all conditions.

For barometric sensor replacement for your car in Hamilton, contact Grimmer Motors today!



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Address: 998 Heaphy Terrace, Fairfield, Hamilton

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