The Leading Repair Shop in ST Marys For Fiat Punto Engine Light Reset

Fiat Punto is one of the most reliable cars selling millions of units worldwide because of its ease of driving and innovative features. However, the engine light reset problem happens to be a cause of concern for most Punto drivers because it signals underlying problems in your car that need to be addressed immediately.

Now, it is pertinent for you being a Fiat Punto owner to know about the problems that cause the engine light to illuminate in the first place as then only you will be able to address the issues & the light will reset. Read on to find out.

Oxygen Sensor Failure

There are a host of sensors in your car that keep a tab on the functioning of the vital parts in your vehicle. The oxygen sensor is one such sensor that is responsible for monitoring the unburned oxygen present in the exhaust system which helps in determining the optimal air-fuel mixture required for efficient combustion.

Most of the time it is seen that malfunctioning of the oxygen sensor can lead to illumination of the engine light in your Fiat Punto. The O2 sensor is particularly vulnerable to the formation of carbon deposits that compromise its ability to gauge the amount of unburned fuel entering the exhaust system.

This often leads to degraded fuel economy and an increase in emissions from your vehicle which is definitely a matter of concern. Besides that, you might also have to encounter rough idling and engine misfires while driving which are common with O2 sensor failure and the best way to deal with the problem is to get your faulty oxygen sensor replaced which will also reset the engine light.

Bad Catalytic Converter

The catalytic converter is a vital part of your vehicle that plays a critical role in controlling the emission of harmful pollutants from your Fiat Punto. In fact, the catalytic converter helps in converting the carbon monoxide and other toxic gases released during the combustion process into less harmful gases before they are released from your car.

Most of the time issues with the functioning of the catalytic converter are the major reason behind the illumination of the engine light in your vehicle. Often it is seen that issues with the catalytic converter are tied to other underlying problems in your car like failed spark plugs or malfunctioning oxygen sensors.

These additional problems cause the catalytic converter to get clogged up and overheat which adversely affects its functioning. Whenever the catalytic converter starts acting up you will experience a very weird smell of sulfuric coming from the exhaust of your car.

This is when you get to see the flashing of the engine light and until the problems with the catalytic converter are resolved, the engine light cannot be reset. That is why addressing the issues concerning your catalytic converter is crucial in order to reset the engine light.

Faulty MAF Sensor

The Mass Airflow (MAF) Sensor helps in monitoring the amount of air entering the engine and this data is used by the car’s onboard computers in regulating the air-fuel mixture of your vehicle. When the MAF sensor fails to carry out its functions it throws the fuel entering your engine into complete disarray.

Moreover, as the onboard computers fail to get the exact information from the MAF sensor your engine either runs too rich or too lean and this is when the engine light gets triggered. Besides that, the performance of your Fiat Punto also goes for a toss along with an increase in emissions from your vehicle.

At times, the buildup of dirt and debris is the primary reason behind the malfunctioning of the MAF sensor and removing these contaminants restores the functioning of the sensor. However, if cleaning doesn’t help in resetting the engine light then you have to replace the MAF sensor of your Fiat Punto.

Damaged Spark Plugs

The spark plugs help ignite the air-fuel mixture in the engine when you turn the key in the lock to the start position. Sometimes you might experience a misfire when you turn on the key and this indicates that the spark plugs of your vehicle are damaged and need to be replaced with new ones.

During this juncture, you might get to see the flashing of the engine light and unless the problem with the spark plugs is addressed then the engine light is not going to reset itself.

Finally

The above-discussed factors are some of the underlying issues in your Fiat Punto that cause the engine light to illuminate on the dashboard of your car. If you happen to come across a triggered engine light then get in touch with professional mechanics immediately to help address the issue.

At Royalty Auto Service, we are taking care of your car and perform routine maintenance with our certified technicians. All of our technicians are providing complete maintenance of all your car models such as domestic cars, Asian import cars.