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An unexplained rise in fuel consumption, uneven engine speed, a sudden loss of torque—these symptoms may point to a fault in the air-fuel mixture system. Do you know where the problem comes from?
The carburetor is one of the main components of the fuel system in gasoline-powered car engines. Its primary job is to mix air and fuel in precise proportions so that the engine runs at its best.
Car carburetors vary in design and operation from one manufacturer to another. Some are electrically controlled, while others rely on air suction (vacuum) or heat. However, the most notable difference between them is the number of barrels (throats): some carburetors have two barrels, while others have four barrels that draw fuel from the float chamber.
This type has two barrels (throats), each with its own throttle valve. Both valves are mounted on a single shaft and sit side by side in the carburetor body.
This type has four barrels (throats) with four throttle valves mounted on two parallel shafts: a primary shaft carrying the two primary barrels and a secondary shaft carrying the two secondary barrels. The two shafts are linked mechanically through the throttle pulley, which controls how far they open according to engine speed.
The carburetor prepares the air-fuel mixture in the optimal ratio to ensure efficient combustion and produce the power needed to move the car.
Gasoline has only a tiny fraction of a second to burn inside the engine cylinders. For combustion to be complete and effective, the fuel must be converted from a liquid into a vapor. This happens in two main stages:
This stage takes place inside the carburetor, where gasoline is sprayed and broken up into fine droplets to increase its contact area with the air.
This process is completed in the intake manifold and the engine cylinder, where the higher temperature turns the atomized fuel droplets into a combustible vapor.
The carburetor’s core tasks can be summarized as follows:
Converting fuel from a liquid into a vapor through atomization and evaporation.
Preparing the air-fuel mixture in precise ratios that match the engine’s operating conditions (such as speed, load and so on).
The carburetor is one of the most sensitive parts of the fuel system, and when it fails, a number of clear symptoms appear that signal a problem. The most common signs include:
A noticeable increase in fuel (gasoline) consumption
- This happens when the air-fuel mixture ratio is out of adjustment, leading to inefficient combustion and abnormally high gasoline consumption.
Loud engine noise accompanied by vibration
- This indicates a problem with the combustion process, often caused by a poorly adjusted carburetor or damage to one of its internal components.
The engine stalling suddenly while driving at high speed
- This means the carburetor is not supplying the engine with the right air-fuel mixture, which chokes the engine and makes it stall.
Abnormally high engine speed (RPM)
- This happens when there is a fault in the throttle (air/fuel) control, which keeps the throttle valve open wider than necessary even when the accelerator pedal is not pressed.
The engine stalling over bumps or around corners
- This points to a problem with the float chamber or the fuel pump, as fuel is not delivered to the engine consistently when the car’s position changes suddenly.
Hard starting in cold weather (especially in the morning)
- The engine does not get a rich enough starting mixture (the cold-start mixture), so it is hard to start and takes several attempts.
Weaker braking performance (brake system)
- Although the brakes are a separate system, a faulty carburetor can upset the engine’s intake vacuum, which reduces the effectiveness of the power-assisted brakes (in some older cars).
Weak battery charging (in some cases)
- In older cars, a carburetor fault can affect the output of the alternator (generator) because of unstable engine speed, resulting in weak battery charging.
If the problem persists after these steps, it is best to consult a specialist mechanic to diagnose the fault accurately.

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To get real value from a test drive before buying a car, ask to drive the same trim you plan to buy, and drive it on a route similar to your daily journeys: streets with speed bumps and traffic lights, a stretch of highway, and a place to park. Test the air conditioning, visibility, noise and family seating, and record your notes under the same items for every car. Budget, trims and the contract are covered in the new car buying guide.
A successful test drive starts before you sit behind the wheel; good preparation makes you test what matters to you, not whatever catches your attention in the moment.
Set aside a few minutes before driving off; much of what will bother you in everyday use shows up while the car is standing still.
If the showroom's arrangements allow it, ask for a route that resembles your daily driving instead of circling the building, and always keep to the speed limit and the accompanying employee's instructions.
Air conditioning is one of the most important things to test in the Kingdom's climate, but a short drive only gives a first impression and cannot prove cooling performance in every condition.
These items are hard to judge from a specification sheet, but they become clear on a real drive.
If the car is for the family, the opinion of whoever sits in the back matters as much as yours.
Write down your notes as soon as you step out of the car, before impressions get mixed up, and use a notes sheet with the same items for each car, like the table below:
| Item | What to notice | Example of a useful note |
| Seating position | Back comfort and ease of adjustment | Comfortable on the highway, but the seat is low for my mother |
| Visibility | Pillars, mirrors and rear window | The front pillar hides part of the roundabout |
| Transmission and acceleration | Smooth pull-away and overtaking | Calm pull-away, slight hesitation when overtaking |
| Brakes and steering | Pedal progression and steering weight | Progressive brakes, light steering when parking |
| Noise | Tyre and wind noise | Tyre noise is clear on rough asphalt |
| Air conditioning | Cooling speed and reach to the rear | Cold while moving, slightly weaker at the signal |
| Parking | Camera, sensors and judging corners | Clear camera, but the front end is hard to judge |
| Family and boot | Rear seats and luggage | The pushchair fitted in the boot with space to spare |
Give each item a score from one to five with a short reason, and give your three priorities more weight than the rest.
An organised test drive turns a general impression into information you can compare: prepare your priorities, choose a route that resembles your day, test the air conditioning, visibility, parking and family seats, and record everything under the same items. You can browse the cars available at Saleh Cars Group to compare models and trims, and contact the team to ask whether a test drive of the trim you are interested in is possible.

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Car brand logos are the badges and names each manufacturer places on the front grille, the boot lid and the centre of the steering wheel, and the easiest way to learn them is to group them by country of origin: Japanese badges such as Toyota's three ovals, Korean ones such as Hyundai's slanted H, and Chinese brands, many of which spell out their full name in Latin letters, alongside German, European and American badges. In this guide you will find each brand's name as it is written and said, a short description of its badge, its meaning where it is documented, and a table for quick comparison.
A car badge (the logo or emblem) is the trademark that identifies the manufacturer, and it usually appears in several places:
Badges fall into two types: a standalone symbol such as a star, rings or a lion, or a name spelled out in letters, as with many American and new Chinese brands, and knowing this difference helps you recognise a car from a distance.
Japanese badges are very familiar on the Kingdom's roads, and most are simple symbols that are easy to remember:
Chinese cars have become familiar in the Saudi market, and their best-known badges include:
Many Chinese brands have appeared in recent years, some cannot be recognised from the badge alone, and here are practical ways to tell them apart:
European badges often rely on old symbols with well-known stories:
American badges tend towards written names and simple shapes:
A quick summary of each brand's badge:
| Brand | Country of origin | Badge description |
| Toyota | Japan | Three ovals |
| Nissan | Japan | Name inside a thin circle |
| Honda | Japan | Upright letter H |
| Mitsubishi | Japan | Three red diamonds |
| Hyundai | Korea | Slanted H in an oval |
| Kia | Korea | The word KIA in a sharp script |
| Changan | China | V shape inside a circle |
| Chery | China | A-like symbol in an oval |
| Jetour | China | Name in Latin letters |
| Haval | China | HAVAL in large letters |
| MG | Britain (Chinese owner) | MG inside an octagon |
| BYD | China | The letters BYD |
| Mercedes-Benz | Germany | Three-pointed star in a circle |
| BMW | Germany | Circle with blue and white quarters |
| Audi | Germany | Four interlinked rings |
| Volkswagen | Germany | VW letters in a circle |
| Peugeot | France | Lion |
| Ford | USA | Blue oval |
| Chevrolet | USA | Gold bowtie |
| GMC | USA | Red GMC letters |
Car brand logos become easier to remember when you link each badge to its country and parent company, read the name written on the boot when in doubt, and check the registration card and the VIN before any purchase decision. You can browse the cars available at Saleh Cars Group to get to know the different brands and models.

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Should you buy your car in cash or with financing? Paying cash usually means you pay the lowest total amount and own the car immediately with no monthly commitments, but it can drain your savings. Financing lets you get the car now and spread its price over installments, but what you pay in the end is usually higher because of the financing cost and fees. The right decision depends on your savings, the stability of your income, and the total cost of each option, not on the monthly installment alone. In this article we compare the two methods and explain how to calculate the cost, compare offers, and read the contract before signing.
When you buy in cash, you pay the full price of the car at the time of purchase and the financial relationship with the seller ends. When you buy with financing or installments, you pay part of the price as a down payment, the rest is split into monthly installments over a period set by the contract, and the financing cost is added to it.
Do not compare the cash price with the monthly installment; compare the total amount that will come out of your pocket with each option.
There is no single best option for everyone; cash saves you the financing cost, and installments give you flexibility. Calculate the total amount in both cases, keep an emergency reserve for yourself, and read the whole contract before signing. Once you have set your budget, browse the cars available at Saleh Cars and choose what suits your needs.

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The difference between car trim levels is the difference in the equipment a manufacturer fits to the same model: the engine, transmission and drivetrain, safety and driver assistance systems, comfort and air conditioning, wheel and tyre size, and the screen and infotainment. Labels such as “standard” and “fully loaded” are not consistent between manufacturers, so a fair comparison depends on the official trim name, the model year and the written specification sheet. Here we explain where trims differ and how to compare them with a table, without paying for features you will not use.
A trim is a version of the same model with an equipment package set by the manufacturer; a model usually starts with a base trim, each higher trim adds a group of features, and trims may also differ in the engine or exterior styling.
If you are at the start of the buying process, begin with our new car buying guide to set your budget and choose the type of car, then return to this article to compare trims in detail.
On many models every trim shares the same engine, but some offer a larger, turbocharged or hybrid engine on higher trims. When the mechanical components differ, they matter more than any cosmetic extra, because they affect performance, fuel consumption and maintenance for as long as you own the car.
A phrase such as “comprehensive safety features” is not enough; ask for the names of the systems fitted to each trim and understand what each one does: does it only warn the driver, or does it intervene with braking or steering?
These systems assist the driver and do not replace attention, and dust on the sensors can affect how they work.
Some comfort features help you every day in the Saudi climate, while others you may rarely use even though they raise the trim's price.
Higher trims often come with larger wheels and tyres with a lower sidewall, which gives a sportier look but does not necessarily mean more comfort.
A large screen is one of the most visible differences between trims, but its real value lies in how easy it is to use while driving.
There is no fixed rule; resale value depends on market demand for the model and trim, and on the car's condition and service history.
Put the trims you are considering in one table and write against each item what is confirmed on the specification sheet, not what you heard or saw in an advert. Here is a template you can copy:
| Item | What to record for each trim | Question to check |
|---|---|---|
| Identification | Official trim name and model year | Does the car on offer match the written quotation? |
| Mechanical | Engine, transmission and drivetrain | Does fuel consumption differ? |
| Safety | System names and what each one does | Is the feature standard or part of an optional package? |
| Comfort | Air conditioning, seats and keyless entry | Will you use it every day? |
| Wheels and tyres | Tyre size and spare | Is the size easy to find? |
| Infotainment | Screen and phone connection | Have you tried it yourself? |
| Offer | Price difference between trims | Which confirmed features do you get for that difference? |
The money you save on luxuries may be more useful for maintenance, insurance or a smaller finance amount.
No. It is a sales description that varies from model to model and from year to year; ask for the official trim name and its detailed equipment list, and check every feature that matters to you.
If space and seating are the priority, the larger model suits you better; if equipment matters more and the space is enough, the top trim of the smaller model may suit you.
Some accessories can be fitted later, but many driver assistance systems depend on factory sensors and software and are not easy to add, so ask how any modification affects the warranty.
They help you understand the general idea and prepare your questions, but verify the specifications of the car offered to you, because the model year, market or trim may differ.
The right trim is neither the cheapest nor the most expensive; it is the lowest trim that covers your essential needs with written, confirmed specifications. Put the mechanical components and safety first, then the comfort you will use every day, and leave luxuries at the bottom of the list. When your table is ready, you can browse the cars available at Saleh Cars Group and compare their trims in the same way.

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The difference between the two types of car insurance in Saudi Arabia is that third-party insurance, which is the compulsory insurance, compensates the third party for the physical and material damage your vehicle causes and does not cover your own car, while comprehensive insurance compensates you for damage or loss to your car, including fire, theft, floods and hail, and also includes liability towards third parties. Here we explain what each type covers and excludes as stated in the official documents, what the deductible means, and how to choose the right policy.
These are the main differences as stated in the Saudi Central Bank documents; the details follow in the next sections:
| Item | Third-party | Comprehensive |
| Status | Compulsory | Not compulsory; includes third-party liability cover |
| Physical and material damage to third parties | Covered within the policy limits | Covered as per the unified policy |
| Damage to your car in an accident you cause | Excluded | Covered after deducting the deductible |
| Fire, theft, floods and hail | Not covered for your car | Included |
| Towing your damaged car and storing it | Not provided for | Included up to the amount stated in the schedule |
| Death or injury of the driver | Excluded | An optional cover offered before the policy is issued |
The Unified Compulsory Motor Insurance Policy sets the minimum limit of civil liability cover towards third parties. If an accident occurs within the borders of the Kingdom and causes damage that is not excluded, the insurer compensates the third party for what the insured, the driver or the person responsible for the accident is liable to pay for:
A third party is anyone who suffers damage that is not excluded, other than the insured or the driver responsible for the accident; so this insurance protects others from your mistakes and does not repair your car. Subject to the exceptions, the insurer may not refuse to compensate the injured party because of a violation committed by the driver, but it keeps the right to recover from them in cases set out in the policy, such as driving against traffic, running a red light, and driving without a licence suitable for the type of vehicle.
Cases the unified policy excludes from compensation include:
According to the Comprehensive Motor Insurance Rules, the company compensates the insured for any risk causing damage or loss to the vehicle, including fire, theft, lightning and natural disasters such as floods and hail, in addition to third-party civil liability as per the unified policy. Compensation works as follows:
Before issuing the policy, the company must offer you optional covers: renting a replacement vehicle, roadside assistance, death, injuries and medical expenses of the driver or named driver, and accidents outside the Kingdom; any you decline become excluded.
The main exclusions in the rules include:
The company and the insured may agree to waive any exclusion unless that conflicts with the law, so ask about the ones that matter to you before signing.
The rules define the deductible as the amount borne by the insured for any claim as stated in the policy schedule, and they control how it is applied:
In practice, it is what you will pay out of your own pocket in every accident you are liable for, so compare offers by it as well, not by the policy cost alone.
The decision depends on whether you could bear the cost of repairing or losing your car yourself, so review these factors:
The policy schedule is an integral part of the policy, so check:
These provisions may be updated, so confirm the latest version on the official website of the Insurance Authority, and the terms of your policy with a licensed insurance company.
In short: third-party insurance is the compulsory minimum that protects others from damage caused by your vehicle, and comprehensive insurance adds protection for your own car in return for a deductible you agree on. Choose according to your car's value, its financing and how you use it, and read the policy schedule before you pay. If you are looking for your next car, you can browse the cars available at Saleh Cars Group.

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If you are involved in a traffic accident, God forbid, start with safety: stop in a safe place, turn off the engine and switch on the hazard lights, place the reflective triangle at a safe distance, then photograph the accident from all directions and have your ID, driving licence and vehicle registration (istimara) ready. Then report to Najm on the toll-free number 199033 if there are no injuries and at least one party to the accident holds a valid insurance policy. If there are injuries, or an insurance policy is not available for every party to the accident, call the traffic police on 993, and call the ambulance on 997 when there are injuries. Below are the Najm reporting steps as the company publishes them, the cases it does not handle, and what to check on your car after the accident.
Your safety and the safety of those with you come before anything else. Najm's car accident advice page (in Arabic) summarises the first steps as follows:
Najm's guidance explains that staying at the scene protects your rights and the rights of others, and that leaving it may expose you to additional violations and fines. If a fire breaks out, God forbid, it advises using the fire extinguisher safely, not using water to put the fire out, and turning off the engine and getting out of the vehicle.
Najm's accident reporting procedures page (in Arabic) sets out what is needed to report after stopping in a safe place:
The company states that the Najm investigator uses a body camera to document the facts of the accident to protect the rights of all parties, and that it handles accidents without charging the parties to the accident. It also offers the Najm smartphone app for faster electronic procedures.
These procedures may be updated from time to time, so confirm the latest steps on Najm's website or official app before relying on them.
Najm does not handle every accident; according to its official page, it does not take on the following cases:
These accidents can be reported to the authorities Najm lists. These are the contact numbers on its pages:
| Authority | Number | What Najm's guidance says |
| Najm (toll-free number) | 199033 | Reporting the accidents Najm handles |
| Traffic Accidents | 993 | When there are injuries, or an insurance policy is not available for every party to the accident |
| Ambulance (Red Crescent) | 997 | When there are injuries |
| Unified Operations | 911 | Listed for accidents Najm does not handle |
| Civil Defense | 998 | Listed for accidents Najm does not handle |
| Road Security | 996 | Listed for accidents Najm does not handle |
Najm advises photographing the accident from all directions so you can refer to it when needed. To make the photos genuinely useful, take them in this order, without standing in the traffic lane:
Once the procedures are finished, do not assume the car is sound just because the visible damage is small; a light impact can affect parts behind the bumper or the tyres. Check the following with the car parked in a safe place:
If the airbags deployed, you notice a leak or a smell of fuel, a red light stays on, or the steering feels abnormal, do not keep driving, and ask for a tow truck to take the car to the workshop.
Many modern cars place radar and parking sensors in the bumper or behind the front grille, and the driver assistance camera behind the windscreen. So repairing or replacing the bumper, replacing the windscreen, or adjusting the wheel alignment after an accident can change the angle of these sensors even slightly, and they then need calibration according to the manufacturer's instructions.
You will find an explanation of these systems, the limits of their sensors and when they need calibration in our article on ADAS driver assistance systems.
Najm's website offers services to follow up an accident after it has been handled, including:
When the car is repaired, keep a copy of the report and photos of the damage before and after the repair, and review the quality of the bodywork and paint when you collect it; our article on what it means when a car has been repaired helps you notice colour differences and uneven gaps between panels.
In short: your safety first, then the hazard lights and the reflective triangle, then the photos and documents, then reporting through Najm on 199033, or calling the traffic police on 993 when there are injuries or an insurance policy is not available for every party. Do not keep driving before checking the lights, tyres, leaks and dashboard warning lights, and make sure the sensors are calibrated after a bumper or windscreen repair.