Browse
For Sale
Antiques CollectiblesApparelBaby Kids ItemsBooks， Movies And MusicElectronicsFree StuffGarden OutdoorHealth BeautyHome GoodsHome Improvement SuppliesMusical InstrumentsOffice SuppliesPet SuppliesSporting GoodsTicketToys GamesTransportationOthers
Jobs
AccountingAdministration & Office SupportAdvertising， Arts & MediaBanking & Financial ServicesCall Center & Customer ServiceCEO & General ManagementCommunity Services & DevelopmentConstructionConsulting & StrategyDesign & ArchitectureEducation & TrainingEngineeringFarming， Animals & ConservationGovernment & DefenseHealthcare & MedicalHospitality & TourismHuman Resources & RecruitmentInformation & Communication TechnologyInsuranceLegalManufacturing， Transport & LogisticsMarketing & CommunicationsMining， Resources & EnergyReal Estate & PropertyRetail & Consumer ProductsSalesScience & TechnologySelf EmploymentSport & RecreationTrades & ServicesOther
Property
BuyRent
Cars
Used CarsNew CarsOthers
Services
BusinessCraftsDesign And WebEventsHome ImprovementLegalLessonsPersonalPetsPhotographyRepair And Technical SupportWellnessWriting， Translation， And TranscriptionOthers
Community
Activities & GroupsArtists & MusiciansClasses & LessonsEventsFriendship & NetworkingLost & FoundRideshareSports TeamsVolunteersTravel & Travel PartnersSkills & Language SwapOther

Why Won't the Car Starter Work?

1 Answers
McBeau
07/29/25 2:12pm
The reasons why a car won't start include running out of fuel, a faulty crankshaft position sensor, starter motor failure, a dead battery, or excessive carbon buildup. Running out of fuel: The fuel level is very low, or the fuel gauge shows it's below the red line. Don't wait until the tank is empty to refuel, as this not only affects the engine's lifespan but also the fuel pump's lifespan. Operating the fuel pump without fuel can even be dangerous. Crankshaft position sensor failure: The crankshaft position sensor is one of the most important sensors in an electronically fuel-injected engine, especially in centralized control systems. It is also a shared sensor for the ignition and fuel injection systems. Its function is to monitor the crankshaft position, allowing the engine control unit (ECU) to detect the speed signal. If the crankshaft position sensor fails, the ECU cannot detect the speed signal and thus cannot determine whether to ignite, resulting in the car not starting. Starter motor: First, even though the ignition switch is pressed and the starter motor is spinning at high speed, the engine shows no response. This usually indicates a problem with the starter motor. The DC motor may output kinetic energy, but the transmission mechanism fails to transfer this energy to the engine via the drive gear, often due to wear on the drive gear. Second, pressing the ignition switch doesn't even make the starter motor move. This is typically due to wiring issues, such as a burned-out power supply line from the battery or a faulty starter relay. Dead battery: A car battery can die due to prolonged inactivity, reaching the end of its lifespan, a damaged alternator, insufficient or leaking electrolyte, a blown fuse, corroded battery terminals, or overuse. Additionally, installing aftermarket components like xenon headlights, high-power audio systems, or DVD players can also cause electrical circuit failures. Checking for a dead battery is simple—just press the horn to see if it works. Excessive carbon buildup: Too much carbon buildup can lead to poor spark plug ignition, leaky valves, or inefficient fuel injector operation, causing misfires, sluggish acceleration, engine shaking, or even failure to start. Excessive carbon buildup in the throttle body can block airflow, preventing combustion. If the car won't start due to throttle body carbon buildup, try gently pressing the accelerator—this might help the engine start smoothly.
Was this review help?
14
0
Share
More Forum Discussions

How Many Years Are Vehicles Exempt from Inspection?

New vehicles that meet the regulations can be exempt from inspection for six years, but owners need to apply for the annual inspection compliance mark at the vehicle management office every two years. Conditions for vehicles exempt from inspection for 6 years: The motor vehicle must be a non-commercial vehicle; the vehicle's approved seating capacity must be 9 or fewer. Starting from November 20, 2020, non-commercial small and micro passenger vehicles with 7-9 seats (excluding minivans) are included in the exemption scope; the vehicle type specified on the driving license: sedan (mini, small, medium, large), micro ordinary passenger vehicle, micro off-road passenger vehicle, small ordinary passenger vehicle, small off-road passenger vehicle, small special passenger vehicle; vehicles that have not been registered for more than 4 years since the date of manufacture are excluded; vehicles that meet the above conditions and have not been involved in any traffic accidents causing casualties during the exemption period. Content of the annual inspection: Check whether the engine, chassis, body, and their attachments are clean, complete, and effective, whether the paint surface is uniform and aesthetically pleasing, whether the main assemblies have been replaced, and whether they match the initial inspection records; Test whether the vehicle's braking performance, steering control, lighting, exhaust, and other safety performances comply with the requirements of the "Technical Conditions for Safe Operation of Motor Vehicles"; Check whether the vehicle has been modified, remodeled, or altered, whether the driving license, license plate, and all registered vehicle records match the actual condition of the vehicle, whether there are any changes, and whether approval and modification procedures have been completed; Check whether the license plate, driving license, and the enlarged license plate characters printed on the vehicle are damaged, altered, or unclear, and whether they need to be replaced; For large vehicles, check whether the unit name or the name of the street, township, or town where the vehicle is located and the number of passengers allowed in the cab are printed in Chinese imitation Song font on both sides of the door as required; For trucks, check whether the rear tailgate (including the trailer's rear tailgate) exterior is printed with the vehicle number enlarged 2~3 times as required, and whether the word "individual" is printed on both sides of the door for individually or jointly owned vehicles; the characters must be clear, and unit codes or other patterns are not allowed (special circumstances require approval from the vehicle management office).
12
3
Share

Where to Find the Engine Number and Chassis Number of a Motor Vehicle?

The engine number is generally located on the outer surface of the engine block, on the vehicle's nameplate, or on the nameplate inside the engine compartment. The simplest and most direct method is to check the vehicle's administrative green book or the vehicle's registration certificate. The engine number is like a person's ID number, representing each vehicle. It contains very important information about the vehicle. The chassis number is stamped on the vehicle's frame. The specific location varies by manufacturer, so you can refer to your vehicle's manual. The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, industry or company practices, and the attributes of the engine. It represents information such as the manufacturer, specifications, performance, features, technology, purpose, and production batch of the engine, including fuel type, number of cylinders, displacement, and static braking power. Engines installed in passenger cars or multi-purpose vehicles are required to display the professional manufacturer, model, and production number. The chassis number is a commonly used term, with the professional term being the Vehicle Identification Number (VIN). It is a unique code assigned by the manufacturer to identify a vehicle. The VIN consists of 17 alphanumeric characters and is also known as the 17-digit identification code, chassis number, or 17-digit number. The combination of the vehicle identification code ensures that no two vehicles of the same model will have the same number within 30 years, providing a unique identifier for each vehicle. Therefore, it can be referred to as the "vehicle's ID card." Common locations include the registration certificate and the lower left side of the front windshield. It's important to note that the engine number is not the same as the engine model. The engine model refers to the specifications and size of the engine within the manufacturer's lineup, and multiple engines can share the same model. The engine number, however, is the production number of the engine, with each engine having a unique number. Structure of the Engine Number: Prefix: Includes the product series code, generation symbol, and regional or company code. Manufacturers can choose appropriate letters as needed, but these must be approved and recorded by the industry standardization unit. Middle Section: Consists of symbols for the number of cylinders, cylinder arrangement, stroke, and cylinder diameter. Suffix: Comprises symbols for structural features and usage characteristics. Tail Section: A distinguishing symbol. When differentiation is needed due to improvements or other reasons within the same series, the manufacturer selects an appropriate symbol. The suffix and tail can be separated by a hyphen. The chassis number consists of 17 characters, divided into three parts. Part 1: WMI—World Manufacturer Identifier (positions 1–3); Part 2: VDS—Vehicle Descriptor Section (positions 4–9); Part 3: VIS—Vehicle Indicator Section (positions 10–17).
5
4
Share

What is the MIIT fuel consumption of the Cadillac XT5?

The Cadillac XT5 currently has 6 models on sale. Among them, the Cadillac XT5 2022 2.0T Four-Wheel Drive Fashion, Premium, Luxury, and Platinum models, equipped with a 237-horsepower engine, have an NEDC fuel consumption of 8.3L per 100km. The Cadillac XT5 2022 2.0T Two-Wheel Drive Luxury and Fashion models, also equipped with a 237-horsepower engine, have an NEDC fuel consumption of 8L per 100km. The fuel tank capacity varies among different models of the Cadillac XT5. The distance that can be covered with a full tank of fuel is as follows: For models equipped with a 237-horsepower engine and an 82L fuel tank, the distance is 82/8.3*100=988km. For models equipped with a 237-horsepower engine and a 73L fuel tank, the distance is 73/8*100=913km. Vehicle fuel consumption is directly influenced by five main factors: driving habits, the vehicle itself, road conditions, natural wind, and environmental temperature. Specific factors that can increase fuel consumption include: Driving habits: Aggressive driving behaviors such as rapid acceleration, frequent overtaking, and not easing off the throttle before stopping at traffic lights can increase fuel consumption. The vehicle itself: Vehicles with larger engine displacements generally consume more fuel than those with smaller displacements because larger engines typically produce more power and require more gasoline to operate. Heavier vehicles also tend to have higher fuel consumption due to the greater driving torque needed. Road conditions: Driving on unpaved roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Headwinds or driving on windy days increase vehicle resistance and fuel consumption. Low environmental temperatures: When the engine block is cold, the injected gasoline does not atomize easily, requiring more fuel for combustion, which increases fuel consumption. Additionally, in cold temperatures, the engine control unit may operate at higher RPMs to warm up the engine, further increasing fuel consumption.
8
3
Share

How to Replace the Key Battery for Nissan Tiida?

Here are the steps to replace the key battery for Nissan Tiida: 1. Remove the spare mechanical key. 2. Pry open the key shell along the gap. 3. Take out the old battery and replace it with a new one. Below is some related information about Nissan Tiida keys: 1. The battery life in car remote keys is about 3 years. When the battery runs out, you need to open the key shell to replace it. 2. The Tiida key operates through coil induction. During the unlocking process, the vehicle's RF transceiver verifies whether the key matches to determine if the engine can be safely started.
20
2
Share

What brand are the tires on the Mistra?

The tires on the Mistra are from Hankook Tire. Here are some tips for using Mistra tires: 1. Avoid aggressive starts when driving; both empty and loaded vehicles should start smoothly at low speeds. This prevents tire dragging on the ground and reduces tread wear. 2. On good road surfaces, maintain straight-line driving. Avoid unnecessary swaying and sharp turns, except when passing or avoiding obstacles, to prevent lateral cutting damage between the tire and rim. 3. When driving uphill, utilize the vehicle's inertia, shift gears timely, and ensure the vehicle has sufficient power. Avoid stopping and restarting on slopes to minimize tire wear.
9
1
Share

What to do if the reversing camera of Refine M4 does not display?

Reasons for the reversing camera not displaying are as follows: 1. When the display screen is black, it is usually damaged and requires repair or replacement. 2. When the internal wires of the vehicle body are loose or detached, resulting in poor wire contact, the image captured by the camera cannot be transmitted to the main unit, and the reversing camera will not display. Below is some relevant information about the reversing camera: The reversing camera, also known as the parking assist system, or reversing visual system, or vehicle monitoring system, etc. This system provides a more intuitive and clear view of the situation behind the vehicle when reversing, making it one of the very practical configurations for reversing safety.
12
5
Share
Trending Ranking
What is the fuel consumption of the Honda XRV?
Which manufacturer produces the Zotye T700?
What are the reasons why the Buick Excelle cannot start?
4
Where is the high-pressure fuel pump located in the engine?
5
Can the Lavida spare tire be used for a long time?
6
What should be noted during an engine overhaul?
7
What is the fuel consumption per 100 kilometers for the Audi A6L?
8
How to Identify Genuine Nissan X-Trail Headlights?
9
How to Adjust the Steering Wheel to the Right Position?
10
Which light is the brake light at the rear of the car?
More Forum Discussions

What Causes the BMW 5 Series to Shake?

7
3
0

Which region does the license plate number Lu C belong to?

8
1
0

How long is the lifespan of the Emgrand EV450 battery?

12
0
0

What is the actual fuel consumption of the Mitsubishi Pajero?

6
2
0
About Us
Terms of Use
Privacy Policy
Help
Contact Us
FAQ
Cookie
Cookie Policy
Cookie Settings
© 2025 Servanan International Pte. Ltd.