My Fiat Won’t Start: 20 Causes & Fixes!

Ask Fiat Mechanic

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When your Fiat won't start and time is of the essence, it might be annoying and nerve-wracking. Although certain reasons for a car not starting are easy to diagnose and fix, some need the help of a skilled mechanic. In this write-up, we are going to tackle some common reasons why your automobile refuses to start and provide guidance on finding and fixing them yourself. Let's have your Fiat functioning and on the streets!

Chat with a Fiat Mechanic

Before we delve into the details, if you'd rather skip to the end and simply find the resolution, you're welcome to engage in a one-on-one chat and ask a Fiat mechanic regarding the reasons your Fiat doesn't start and how to fix it. Located at the bottom-right section of this site, there is a real-time chat function that puts you in touch with experienced mechanics available 24/7 to address queries and offer advice. Thus, if you require immediate, cost-effective aid with your Fiat, it's a great choice where you're able to pose as many queries to mechanics as you want. So with that out the way, let's get stuck in!

1: Dead Battery

Dead battery

A frequent issue your automobile refuses to start is a drained battery. Signs that your battery might be drained consist of an engine failing to turn over or a clicking noise while turning the key within the ignition. In order to remedy this problem, giving your Fiat a jump-start, or swapping out the drained battery might be required – maintain jumper leads ready for such situations!

2: Neglected Alternator

Car alternator causing battery to drain

An alternator is responsible for charging the battery in your automobile while it's running. In case it fails, there could be a lack of enough juice to get your automobile started. Symptoms that there could be a problem include an illuminated battery indicator on the Fiat's dashboard, dimmed headlights, or even possibly no power at all. Addressing this situation properly requires professional diagnosis and fixing. How much this will cost to assess and fix relies on the mechanic and the required parts. Should you require guidance on this, you are welcome to chat with an expert mechanic online whenever you want.

3: Clogged Fuel Filter

Clogged Fuel filter

The fuel filter plays an essential role in removing unwanted particles from the fuel before it reaches your engine, so if it becomes clogged, it could reduce performance or stop your car from starting completely. Signs that the fuel filter could be obstructed consist of reduced power, engine stalling, or no start at all. Resolving an obstructed fuel filter by yourself or aided by a skilled mechanic should be a quick process. You can obtain recommendations and a thorough walkthrough on resolving this problem by chatting with an expert mechanic online.

4: Malfunctioning Starter Motor

car starter motor faulty

The starter motor is responsible for starting an engine as you turn the key in the ignition. In case it fails, chances are the cause for your vehicle doesn't start or you might notice abrasive noises when turning the key. The solution for a faulty starter motor is replacement; this calls for skilled evaluation and service. The expense of this can greatly vary based on your specific situation. You can ask an online mechanic for guidance on pricing for your specific situation, so you're ready when going to the nearby mechanic's shop.

5: Neglected Ignition Switch

Faulty ignition switch

The ignition switch handles initiating and maintaining your vehicle's engine running smoothly. Should it malfunction, it can hinder your vehicle from starting or make it stall during driving. Symptoms that an ignition switch is malfunctioning include no action when turning the key in the ignition switch and no engine turning over. To address this problem, expert mechanic assessment and repair may be all that's necessary. Consult a mechanic, whether online or locally for a proper evaluation and settlement.

6: Damaged Spark Plugs

faulty spark plugs car

Spark plugs set off fuel inside the cylinders of an engine. When they wear out or get damaged, they might not create a spark and this can keep the engine from starting. Signs of faulty spark plugs consist of an uneven idle, poor acceleration, or difficulty when you try to start your vehicle. To address this problem, swap them out for new ones; this can be done by a skilled professional or do-it-yourself enthusiast. This should not be an expensive or difficult repair; if you prefer handling it on your own, you can receive advice and be guided through the procedure whenever you want by consulting with an online mechanic.

7: Fuel Pump Failure

faulty fuel pump

Your Fiat's fuel pump takes care of supplying fuel to an engine, and should it malfunctions, your Fiat won't start or function as it should. Symptoms that there could be an issue involve a lack of response when turning the key in the ignition, engine halting, or sputtering. The only solution for a malfunctioning fuel pump involves changing it; this necessitates professional diagnosis and service by knowledgeable mechanics.

8: Faulty Distributor Cap

faulty distributor cap

Your Fiat's distributor cap handles transferring electric current from the coil to your spark plugs. If this component fails, your engine could fail to receive proper ignition. A defective distributor cap can prevent your engine from starting properly, leading to engine misfiring, poor acceleration, and trouble with starting. The solution for a faulty distributor cap is changing it; a task that can be accomplished by either an experienced mechanic or someone who prefers doing it themselves with basic skills and tools to reduce expenses. For real-time step-by-step guidance on how to complete this process and spend less, you can consult a mechanic through the internet and obtain guidance.

9: Ignition Coil Failure

faulty ignition coil car

An ignition coil takes care of producing the electric current that sparks the fuel in an engine's cylinders. If it breaks down, your engine could fail to start or experience misfiring. Indications of a faulty ignition coil include an absence of reaction while turning on the ignition, misfiring sounds from the engine and poor acceleration. To address this issue expert assessment and service are generally needed; replacing the ignition coil usually solves all of these problems. The price for this relies on the repair professional and your specific circumstance. You are free to obtain a quote or an alternative viewpoint on the price from a virtual mechanic to aid in the course of action.

10: Broken Timing Belt

broken timing belt car

Your Fiat's timing belt is responsible for coordinating the actions of an engine's valves and its pistons. If it fails, chances are the cause of your Fiat won't start, since the engine might not start or operate properly. Symptoms that there might be an issue involve a lack of response when engaging the ignition, misfiring, or a stall of your engine. To address this problem, skilled evaluation and fixing are needed; changing the timing belt requires both. If you want an estimate on your individual case, you are free to seek advice from a virtual mechanic, to be well-prepared as you visit a local repair shop.

11: Failed Camshaft Position Sensor

camshaft position sensor.

A camshaft position sensor is responsible for keeping track of a camshaft's position and relaying that data to the engine control module. If the sensor malfunctions, when you try to start your Fiat, your engine might not start or run correctly. Symptoms could encompass a lack of response when using the ignition key, misfiring noises from the engine, or poor acceleration. A skilled evaluation and fixing for a broken camshaft position sensor generally entail changing it out with a new part. The cost of this relies on your situation, you may obtain a quote from a local mechanic or an online mechanic.

12: Failing Crankshaft Position Sensor.

Car mechanic hands replacing a camshaft position sensor.

The crankshaft position sensor is responsible for keeping track of your engine's crankshaft (crank) position and transmitting that information to the engine control module. If this component breaks down, your Fiat could fail to crank, start, or run correctly; indications include a nonresponsive action when turning the key in the ignition, misfiring engine sounds, or poor acceleration. The only solution for a faulty crankshaft position sensor is replacing it – which requires a skilled mechanic to evaluate and resolve. You may obtain advice on your individual situation from a nearby garage or on the Internet.

13: Faulty Mass Airflow Sensor

faulty air flow sensor

Your Fiat's mass airflow sensor is responsible for gauging the volume of air entering an engine and transmitting that data to its control module. If the sensor malfunctions, chances are the culprit is your Fiat is experiencing starting or running issues. Symptoms of a failing airflow sensor encompass weak acceleration, misfiring sounds from the engine, or difficulty starting it. To resolve this issue, it's necessary to have a professional mechanic evaluate and resolve the malfunctioning mass airflow sensor. Consult a local mechanic or through online platforms to get advice and price quotes specific to your case.

14: Computer System Malfunction

faulty computer system in car

Modern cars heavily rely on their onboard computer for a number of critical functions, including running and starting the engine and managing transmission and emissions. If this part breaks down, it might result in various issues including an unresponsive engine, warning indicators on your dashboard, sluggish acceleration, or difficulty starting the engine. To resolve an issue with the computer system, it's best to have it diagnosed and repaired by a professional mechanic.

15: Blown Fuses

blown fuse in car

A burnt-out fuse could also be the cause when it comes to your Fiat not starting. Fuses in your Fiat safeguard various electrical parts in your automobile, and if a fuse burns out, that particular component like the starter motor – may no longer work properly. Symptoms that a fuse has blown involve no reaction when turning the ignition key in the ignition, no lights or accessories turning on, as well as an intermittent misfiring engine. To check for a damaged fuse, examine the fuse panel found either in the engine compartment or beneath the dashboard. If you find a burnt-out fuse, replace it with an identical rating. Although fixing a fuse is typically a simple do-it-yourself task, keep in mind that fuses blowing repeatedly may indicate a more serious electrical problem that needs professional diagnosis and repair. For further advice on this issue or someone to guide you through the process live, feel free to consult a mechanic online.

16: Clogged Air Filter

clogged air filter in car

The air filter is responsible for stopping dirt and other contaminants as well as other pollutants from entering the engine. If it's clogged, it could limit the flow of air to the motor, which may cause problems starting or perhaps poor performance. Symptoms of a dirty filter consist of decreased acceleration, difficulty starting your engine, or lower fuel efficiency. To address this problem, it's needed to change the air cleaner, a job easily done by either a professional mechanic or a DIY enthusiast that knows what they are doing.

17: Dirty Fuel Injectors

Dirty Fuel Injectors

Fuel injectors are in charge of delivering fuel to an engine. When they become unclean or blocked, it might hinder adequate fuel delivery to start or even operate the engine accurately. Symptoms that your injectors might be unclean consist of an unresponsive reaction when turning on the ignition key, slow acceleration, or engine stalling. The remedy to clean dirty injectors is a cleaning – that may be completed by a professional mechanic.

18: Faulty Engine Control Module (ECM)

Car mechanic team using laptop boosting car engine at auto repair shop

The engine control module (ECM) is responsible for managing and regulating many Fiat systems, such as engine performance along with emissions. When the ECM fails or experiences problems, it could cause several difficulties with starting or running of your engine. Indications that indicate there's something wrong with the ECM include alert lights on the dashboard, slow acceleration, or even trouble starting the engine. To fix the problem with a faulty ECM, consult a skilled mechanic who is able to properly diagnose as well as fix it.

19: Bad Fuel Pump Relay

bad fuel pump relay

The fuel pump relay is responsible for providing power to the pump, therefore in case the relay experiences issues, the fuel pump won't receive adequate electricity to function which might lead to engine starting issues. Indications that there is an issue consist of a lack of response when turning the key in the ignition, stalling of the engine, or even engine misfires. To fix a faulty fuel pump relay, a professional or experienced DIYer can swap the relay with proper instructions or even advice.

20: Failed Throttle Position Sensor

Faulty throttle position sensor

The throttle position sensor handles keeping track of the position of the throttle and also transmits that specific info to the engine's control module. If it fails, your vehicle might not begin or run effortlessly. Signs of a failed sensor consist of an unresponsive state when turning the key into the ignition, poor speeding up, or even stalling. Resolving a malfunctioning sensor necessitates professional analysis and fixing through an experienced Fiat mechanic.


To sum up, dealing with a car that isn't starting up, can be a frustrating and nerve-racking experience. But, there are numerous potential factors as well as fixes concerning the reason why this might occur. Through understanding the usual causes and symptoms linked to a not starting car, it is possible to correctly identify the issue as well as locate a highly effective fix. Irrespective of the reason for your automobile not starting, whether it's a dead battery, fuel issue, bad starter, or even ignition system issue – you will find measures you can take to acquire back on the road safely. Constantly exercise care while working on the car and do not hesitate to seek expert assistance if necessary. Hopefully, this comprehensive guide has given enough details to ensure that you are able to swiftly identify what exactly is preventing the motor from turning on again so that the problem can be resolved immediately. Don't forget, if you need extra help or advice, feel free to use our car help chat service!

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FAQs (Frequently Asked Questions)

What Should I Do if My Fiat Won't Start?

Should your automobile refuse to start, first inspect the car battery, fuel system, starter motor, and ignition for problems. If you are unable to take your Fiat. to a nearby mechanic, you could consult with one on the Internet initially.

What are the signs of a dead Fiat battery?

Indications of a dead Fiat battery consist of trouble starting the car or even listening to a clicking sound when you turn on the ignition. If you are unsure, talk to a local or online mechanic.

How do I know if my Fiat fuel filter is clogged?

Symptoms of a clogged filter consist of lack of power, engine stalling, or difficulty starting the Fiat. If you are not sure, talk to a local or online mechanic.

What is the recommended frequency for Fiat battery replacement?

Car batteries have different lifespans, but in general, it is suggested to change them every three to five years in order to avoid problems when starting up your Fiat.

Can a malfunctioning mass airflow sensor cause my Fiat to not start?

While an unhealthy mass airflow sensor could potentially have an effect on performance, it's unlikely to lead to issues with starting your Fiat.

How do I jump start my Fiat?

To jump-start your Fiat, you'll need jumper leads and a second car with a functioning battery. Attach the cables properly in their designated order, start the working car, pause for a few minutes, then restart your car. Consult with an online mechanic to get them to talk you advice and guide you through this process.

Will a faulty alternator prevent my Fiat from starting?

Unfortunately, yes. If the alternator isn't functioning properly, the battery may not have enough charge to start the engine. Speak to an online or local mechanic for guidance on this.

How do I know if my Fiat spark plugs need replacing?

Signs that your spark plugs may need replacing consist of rough engine idle, poor acceleration, or difficulty starting the engine.

What actions should I take if my Fiat stalls while driving?

If your Fiat stalls while you are driving, first attempt to carefully pull over to a safe spot on the roadside, switch off the engine and attempt to restart it. If this doesn't work, seek the help of a professional for assistance.

Can a broken timing belt damage my Fiat engine?

Yes, this type of damage could be costly to fix should the timing belt break. If you are not sure, consult a local or online mechanic.

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24/7 Expert Mechanics To Help Solve Any Issues Your Having.