Common problems with Fiat Mobi

Fiat Mobi Problems

Fiat Mobi is a hatchback in the A-Segment. It is also produced by Fiat and has been on the market since 2016. Even though it is comfortable, spacious, advanced, reliable, and affordable, Fiat Mobi also has some issues that interested buyers ought to know about. So, what are the common problems with Fiat Mobi?

Common problems with Fiat Mobi are a faulty catalytic converter, electrical problems, failing steering system, acceleration lag, and engine problems. Most of these issues can be avoided if the Fiat Mobi is properly maintained.

Nonetheless, some Fiat Mobi models’ years are more reliable than others. So, as you plan to acquire a new or used Fiat Mobi, it is also vital to know if it is reliable or not.

What are the common problems with Fiat Mobi?

Interior cabin electrical problems

One of the common problems with Fiat Mobi is the interior cabin electrical issues. Some of them include keys getting stuck in the ignition, faulty phone systems, faulty seat controls, and faulty door locks. Most of these problems are linked to issues with the wiring column.

To fix most electrical issues in the Fiat Mobi, you will have the mechanic examine the wiring system. If the wire is broken or damaged, it will have to be repaired or replaced.

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Acceleration lag

Driving a car with acceleration lag or slow acceleration can be very dangerous. This is because it can endanger the driver when overtaking other cars or crossing an intersection. Some of the main causes of acceleration lag are a faulty oxygen sensor, a clogged catalytic converter, a clogged fuel filter, a dirty mass air flow sensor, and a dirty throttle body.

If you’re having acceleration lag on your Fiat Mobi, ensure to take the car to a professional mechanic for a checkup and repair. If any of the above parts are damaged or faulty, they will have to be replaced for your car to function smoothly.

Faulty catalytic converter

A catalytic converter helps to remove carbon monoxide before it enters the atmosphere. It changes the harmful compounds from an engine’s emissions into safe gases, such as steam. So, if the catalytic converter is failing or bad, it will not perform this duty excellently.

Signs of a faulty catalytic converter are a check engine light coming on, rotten egg smell from the exhaust, failed emissions test, reduced fuel economy, and poor acceleration. The catalytic converter normally goes bad if the engine has problems.

To fix the catalytic converter of the Fiat Mobi, you will have to fix the issues with your engine first. And if the converter is in a very bad condition, you may have to replace it.

Engine issues

Many Fiat Mobi users have also complained about engine problems. Some of the common engine issues reported are engine stalling, poor engine performance, car not starting and check engine light coming on. If the engine is not starting, you should inspect the spark plugs and see if they are dirty or fouled.

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Depending on the engine issue you’re experiencing, you should have the mechanic diagnose that particular issue for the smooth operation of your car. Note that if the check engine light comes on, you should fix it by checking and retightening the gas cap. 

Failing power steering system

A faulty torque position sensor is among the main reasons that cause the power steering system to fail on the Fiat Mobi. Signs of a failed Fiat Mobi steering system because of a bad torque position sensor are the steering wheel groaning and vibrating when turning. In some instances, it will become lighter in one direction than in the other.

The best solution is to dissemble the whole system and replace the damaged parts. Also, you should check fluids like the power steering fluid to ensure it is good and at the ideal level.


Is Fiat Mobi a reliable car?

Yes, Fiat Mobi is a very reliable car. Thanks to its low cost of maintenance, which is below the industry average of around $670. Additionally, this car is practical, modern, and fuel-efficient. If properly maintained, the Fiat Mobi will last for a very long period of time.

After how many miles does Fiat Mobi start having problems?

Like most mainstream cars on the market, Fiat Mobi doesn’t have a lot of issues to deal with. Besides, it takes time for issues to show up. Nonetheless, owners should be ready to change spark plugs and engine air cleaner filters after the car hits 32,000 miles. But when it comes to serious repairs, such as changing the timing belt, this will be done after the car hits 150,000 plus miles.

How long does Fiat Mobi last?

Fiat Mobi may be a small and affordable car, but they are very reliable and well-made to last. With proper care and maintenance, Fiat Mobi may last over 200,000 miles. In some cases, it may even hit over 250,000 miles. Nonetheless, the climate and driver’s driving habits should also be considered when thinking about longevity.

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Is Fiat Mobi expensive to maintain?

No, Fiat Mobi is slightly cheaper to maintain than most small cars. On average, a Fiat Mobi owner will have to spend around $600 to maintain their car. If you compare this to Volkswagen Up, which costs about $676, you will find that it is way cheaper to maintain but with lots of outstanding features. 

What is the most reliable Fiat Mobi?

The 2021 Fiat Mobi is one of the most reliable Fiat models ever made. Besides, it is also one of the best-selling Fiat Mobi models on the market. Unlike the 2016, 2017, and 2018 model years, this model registers fewer issues and is cheaper to maintain.


Fiat Mobi is a modern, practical, advanced, efficient, and compact hatchback. It is also affordable and cheap to maintain. Despite having lots of good qualities, this car also faces several problems, such as engine issues, faulty catalytic converter, acceleration lag, electrical issues, and a failing power steering system.

However, if the Fiat Mobi is well-maintained and the driver exercises good driving habits, this car can last over 250,000 miles.

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Edwin Odipo

Why do you love writing about cars? Cars make our lives easy. You can visit your distant friend, relative or even rush to the grocery store a few miles from your home with a lot of ease. Imagine how life was before the invention of cars?? To me, cars are a blessing that made life more convenient.

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