Browse
Marketplace
Antiques CollectiblesApparelBaby Kids ItemsBooks · Movies And MusicElectronicsFree StuffGarden OutdoorHealth BeautyHome GoodsHome Improvement SuppliesMusical InstrumentsOffice SuppliesOthersPet SuppliesSporting GoodsTicketToys GamesTransportation
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
For RentFor Sale
Cars
Used CarsOthers
Services
BusinessCraftsDesign And WebEventsHome ImprovementLegalLessonsPersonalPetsPhotographyRepair And Technical SupportWellnessWriting · Translation · And TranscriptionVehicle rentalsOthers
Community
Activities & GroupsArtists & MusiciansClasses & LessonsEventsFriendship & NetworkingLost & FoundRideshareSports TeamsVolunteersTravel & Travel PartnersSkills & Language SwapOther
···
Log in / Register

How Much Engine Oil Remaining Requires Maintenance

5 Answers
JonathanLee
07/29/25 5:00am

Under normal circumstances, when the engine oil life drops below approximately 10%, the vehicle's combination meter will issue a reminder, indicating the need for maintenance. Below are the key considerations for automotive maintenance: 1. Use lubricating oil of appropriate quality grade: The selection standard should not be lower than the manufacturer's specified requirements. 2. Regularly change the engine oil and filter: The quality of any grade of lubricating oil will change during use. After a certain mileage, its performance deteriorates, potentially causing various engine issues. To prevent malfunctions, oil should be changed regularly based on usage conditions, maintaining an appropriate oil level. 3. Maintain good crankcase ventilation: Regular maintenance of the PCV system is necessary, including cleaning contaminants around the PCV valve. 4. Periodically clean the crankcase: During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. Small amounts remain suspended in the oil, while larger quantities can precipitate, clogging filters and oil passages, making engine lubrication difficult and causing wear. Additionally, oil oxidation at high temperatures forms varnish and carbon deposits that adhere to pistons, increasing fuel consumption, reducing power, and in severe cases, causing piston rings to seize and cylinder scoring. Therefore, regular crankcase cleaning is essential to maintain engine cleanliness. 5. Periodically clean the fuel system: As fuel travels through the fuel lines to the combustion chamber, it inevitably forms gums and carbon deposits that accumulate in fuel passages, carburetors, injectors, and combustion chambers, disrupting fuel flow, altering the air-fuel ratio, impairing fuel atomization, and leading to engine issues such as rough idling, knocking, unstable acceleration, and poor performance. Regular fuel system cleaning ensures optimal engine operation. 6. Regular radiator maintenance: Rust and scale buildup in the engine radiator are common issues. These deposits restrict coolant flow, reducing cooling efficiency and potentially causing engine overheating or damage. Oxidized coolant can also form acidic substances that corrode metal radiator components, leading to leaks. Regular radiator cleaning to remove rust and scale not only ensures proper engine function but also extends the lifespan of both the radiator and the engine.

Was this review help?
19
2
Share
LaylaRose
08/12/25 6:12pm

When driving, we need to pay attention to the engine oil level. Generally, there are two marking lines on the dipstick. If the oil level is below the minimum mark, it's time to add oil. If you wait until the oil warning light comes on, the engine may already be severely lacking oil, which could cause cylinder scoring or bearing wear. I personally make it a habit to check the dipstick monthly when the engine is cold, and if it's below the middle line, I top up half a liter. German cars require special attention. For example, my old BMW consumes 1 liter of oil every 2,000 kilometers, so I always keep spare oil in the trunk for peace of mind. The maintenance cycle mainly depends on mileage and time. Mineral oil needs to be changed every 5,000 kilometers or six months, while full synthetic oil can last up to 10,000 kilometers. However, under aggressive driving or high-temperature conditions, maintenance should be advanced by 20%.

Was this review help?
13
4
Share
Expand All
JayceAnn
10/03/25 4:58am

Every time during maintenance, the mechanic reminds me that the engine oil level should at least be above the minimum mark. Last week, my friend's car ran out of oil, and the engine started making rattling noises. When they opened it up, the bearing shells were worn out, costing over 8,000 yuan to repair. Checking it yourself is actually very simple: park the car, turn off the engine, wait for ten minutes, pull out the dipstick, wipe it clean, reinsert it, and check the oil mark's position. The patterned area below the mark is the danger zone—if the oil mark is here, you must top up the oil immediately. If you notice the oil is being consumed too quickly, it might be burning oil or leaking. My Passat has this issue, and now I have to add a liter every 3,000 kilometers. It's best to follow the manual for maintenance; for regular use, changing the oil every 5,000 to 8,000 kilometers is the safest.

Was this review help?
2
3
Share
Expand All
LilahMarie
11/16/25 6:38am

I noticed many people wait until the oil warning light comes on before taking action, which actually harms the engine. During routine checks, if the oil level is below the minimum mark, it must be topped up immediately. Once during a road trip, I found the dipstick couldn't reach any oil traces, so I added a liter right away to avoid major repairs. Nowadays, the onboard computer can display the oil life percentage, and maintenance should be prepared when it drops below 20%. I don't drive much, but I change the oil every six months without fail because oil oxidizes and deteriorates. Full synthetic oil is recommended for replacement every 8,000 kilometers, but if you frequently drive on highways, changing it at 6,000 kilometers is safer. Remember, insufficient oil volume is more harmful than overdue replacement.

Was this review help?
2
3
Share
Expand All
LaKayden
01/06/26 8:16am

It's common sense to top up when the oil level is below the minimum mark on the dipstick. I've seen novice drivers run their cars until the oil ran dry, ending up with a five-figure engine overhaul. Checking it yourself requires skill: park on level ground when the engine is cold, and take the average of three measurements for accuracy. When the oil level is close to the minimum line, you can add 0.5-1 liters. For example, my Japanese car needs half a liter from the midpoint to the minimum line. Don't just rely on mileage for maintenance intervals; even full synthetic oil should be changed if it exceeds 6 months, as oil absorbs moisture and emulsifies. Shorten the maintenance interval by 20% if you frequently drive in traffic jams, and pay extra attention to oil acidification corroding the engine if the car sits idle for long periods.

Was this review help?
6
4
Share
Expand All
More Forum Discussions

what is an expired tag on a car

An expired tag on a car means your vehicle's registration has passed its renewal date and is no longer valid. Driving with an expired tag is illegal and can result in fines, tickets, and even your car being impounded. The registration , often called the "tag," is the sticker on your license plate, and its expiration date is typically printed on it. You usually renew it annually through your state's Department of Motor Vehicles (DMV). The consequences escalate the longer you drive with an expired registration. You could be pulled over specifically for the expired tag, and the fine often increases after a short grace period (if your state offers one). In some areas, repeat offenses or excessively outdated registration can lead to your car being towed and impounded, adding significant costs for retrieval and storage. To renew, you'll generally need to provide proof of auto insurance and may need to pass an emissions test or a vehicle safety inspection, depending on your state's laws. The process can often be completed online, by mail, or in person at a DMV office. It's a straightforward task that prevents a lot of potential hassle. Most states offer a brief grace period after the expiration date, but the rules vary significantly. Here’s a look at the policies in a few states: State Grace Period Notes California None Tag expires on the last day of the registered month. Texas Up to 5 business days For renewal only; driving is still illegal during this time. Florida None Late fees apply immediately after the expiration date. New York None Enforcement begins immediately after expiration. Illinois None Vehicle is considered unregistered the day after expiration. The safest approach is to renew your registration before it expires. Check your specific state's DMV website for exact requirements, as fees, necessary documentation, and grace periods are not universal.
16
2
Share

what is a bill of sale on a car

A bill of sale is a legal document that serves as a receipt and proof of transfer of ownership for a vehicle from a seller to a buyer. It's not a title, but it is a critical piece of paperwork that records the transaction details. While the certificate of title is the primary document that proves legal ownership, the bill of sale acts as a supplemental record of the sale itself, including the date, price, and parties involved. Its importance varies by state. Some states require a bill of sale to register a vehicle, especially if it's a private-party sale, while others do not. Even if it's not mandatory, having one is highly recommended as it protects both the seller and the buyer. For the seller, it proves the car was sold "as-is," releasing them from future liability. For the buyer, it's proof of purchase price, which can be important for tax purposes or if the title is lost or delayed. A well-drafted bill of sale should include several key pieces of information: Vehicle Identification: Make, model, year, color, and most importantly, the Vehicle Identification Number (VIN) . Transaction Details: The sale date, odometer reading at the time of sale, and the final agreed-upon sale price. Party Information: The full names, addresses, and signatures of both the seller and the buyer. Common Bill of Sale Requirements by State (Examples) Is a Notary Required? Is it Mandatory for Registration? California No Yes, for private sales Texas No No, but strongly recommended Florida Yes Yes New York No Yes Ohio No No Always check with your local Department of Motor Vehicles (DMV) for the specific requirements in your state, as they can differ significantly. You can often find official bill of sale forms on your state's DMV website.
7
5
Share

what is a knock sensor in a car

A knock sensor is a small electronic device mounted on the engine block that listens for abnormal combustion noises known as engine knock or pinging . Its primary job is to detect these harmful sounds and send a signal to the engine control unit (ECU), which then adjusts the ignition timing to prevent engine damage. Think of it as your engine's built-in guardian against bad fuel and excessive strain. Engine knock occurs when fuel ignites prematurely from compression rather than the spark plug's spark. This creates a violent, high-pressure shockwave that can damage pistons, rings, and cylinder heads over time. The knock sensor contains a piezoelectric crystal that generates a small voltage when vibrated by these specific high-frequency vibrations. The ECU interprets this signal and instantly retards the spark timing, effectively silencing the knock and protecting the engine. Feature/Specification Typical Details Primary Function Detect engine knock/pinging Location Mounted on the engine block, often near the cylinder head Signal Type Generates an AC voltage signal proportional to vibration intensity ECU Response Retards ignition timing by several degrees Common Symptom of Failure Loss of power, poor fuel economy, illuminated check engine light (often code P0325) Replacement Cost $200-$450 (part + labor); the part itself is often $50-$150 A properly functioning knock sensor is crucial for both performance and longevity. It allows modern engines to run efficiently on regular-grade gasoline by actively compensating for low-octane fuel that is more prone to detonation. If it fails, the ECU will default to a very conservative ignition timing map, causing noticeable performance issues and increased fuel consumption to protect the engine.
13
3
Share

what is excess on car insurance

Car insurance excess (also known as a deductible) is the fixed amount you agree to pay out-of-pocket toward a claim before your insurance coverage kicks in. It's a standard feature of most policies, designed to share risk between you and the insurer and to discourage small, frequent claims. There are two main types: a compulsory excess set by your insurer and a voluntary excess you can choose to lower your premium. Think of it like this: if you have a covered accident causing $3,000 in damage and your policy has a $500 excess, you pay the first $500, and your insurer covers the remaining $2,500. The key is that the excess applies per claim. Choosing your excess level is a financial balancing act. Opting for a higher voluntary excess will typically lower your monthly or annual premium because you're taking on more financial responsibility. However, this means you must be confident you can afford that larger amount if you need to make a claim. A lower excess results in a higher premium but less financial shock at the time of an incident. It's crucial to understand that the excess only applies to claims under your own comprehensive or collision coverage. It generally does not apply to claims made against your liability insurance when you're at fault for damaging someone else's property or injuring them—their damages are covered by your policy without an excess payment from you. Some policies may also waive the excess for specific situations, like windshield repair. Scenario Typical Excess Range Notes Standard Compulsory Excess $250 - $1,000 Varies by insurer, driver age, and experience. Voluntary Excess (Optional) $0 - $2,000+ Choosing $0 voluntary excess leads to a higher premium. Young/Inexperienced Driver $500 - $2,000 Compulsory excess is often higher for this risk group. Windscreen Repair/Replacement $0 - $250 Often has a separate, lower excess or is waived. Theft Claim $500 - $1,000 Applies to the comprehensive portion of your policy. At-Fault Accident Your full excess amount You pay the excess to repair your own vehicle. Not-At-Fault Accident Often $0 If the at-fault driver is identified, their insurance should cover your costs, including your excess.
10
1
Share

what is an aftermarket car part

An aftermarket car part is any component not made by your vehicle's original manufacturer (OEM). These parts are produced by third-party companies and are used as replacements or upgrades. While often more affordable than OEM parts, the aftermarket offers a vast range of options, from basic, budget-friendly replacements to high-performance upgrades that can exceed the original part's capabilities. The key advantage is choice and cost. You can often find a part that fits your specific budget and performance needs. However, quality can vary dramatically. Some aftermarket parts are certified by organizations like the Automotive Aftermarket Suppliers Association (AASA) to meet or exceed OEM standards, while uncertified parts may be less reliable. It's crucial to understand the different types of aftermarket parts. OEM-quality parts are designed to match the original's fit and function. Performance parts , like a cold air intake or a performance exhaust system, are engineered to increase horsepower or improve handling. Appearance parts include items like custom wheels or body kits. When considering an aftermarket part, research is essential. Check for reviews, brand reputation, and any relevant warranties. For critical safety components like brakes or suspension parts, opting for certified quality is highly recommended. Part Type OEM Cost (Avg.) Quality Aftermarket Cost (Avg.) Potential Savings Common Certification Brake Rotors (Pair) $250 - $400 $120 - $250 up to 50% CAPA, ISO 9001 Air Filter $40 - $60 $15 - $30 50-60% AASA Headlight Assembly $500 - $1000 $200 - $600 up to 60% CAPA Performance Exhaust $1,200 - $3,000 $800 - $2,000 30-40% None (brand-dependent) Shock Absorber $150 - $300 $80 - $180 up to 50% ISO/TS 16949
17
5
Share

what is a full tune up on a car

A full tune-up is a comprehensive maintenance service focused on restoring your car's engine performance and fuel efficiency. It traditionally involved replacing key ignition and fuel system components like spark plugs, ignition wires, distributor cap, and rotor. Today, for modern cars, it's less about a standard package and more about performing all the manufacturer-recommended services at a specific mileage interval (e.g., 60,000 or 100,000 miles). This ensures the engine runs smoothly, maintains good gas mileage, and prevents more costly repairs down the road. The core services in a modern full tune-up typically include replacing the spark plugs , which are responsible for igniting the air-fuel mixture in the cylinders. Worn plugs can cause misfires, rough idling, and difficulty starting. The engine air filter is also replaced to ensure optimal airflow, as a clogged filter makes the engine work harder. Many shops will also inspect and possibly replace the fuel filter and PCV (Positive Crankcase Ventilation) valve to maintain proper fuel delivery and engine ventilation. A critical part of a modern tune-up is a computerized system scan. This checks for any stored diagnostic trouble codes (DTCs) and allows the technician to verify that all engine sensors are functioning correctly. They will also often clean the throttle body to prevent sluggish acceleration. The goal is a synergistic refresh of these systems to return your vehicle to its peak operating condition. Common Tune-Up Components Purpose Typical Replacement Interval (Miles) Spark Plugs Ignites air/fuel mixture for combustion 30,000 - 100,000+ Engine Air Filter Protects engine from contaminants; ensures clean airflow 15,000 - 30,000 Fuel Filter Screens impurities from the fuel before it reaches the engine 30,000 - 60,000 Cabin Air Filter Cleans air entering the passenger compartment 15,000 - 25,000 Ignition Coils Amplifies voltage to fire the spark plugs (replaced as needed) 100,000+ It's not a one-size-fits-all service. Always consult your vehicle's owner's manual for the manufacturer's specific maintenance schedule tailored to your model.
8
4
Share
Trending Ranking
what does psi stand for in cars
what does mmr stand for in cars
what does mpv stand for in cars
4
what does trading in a car mean
5
what does snow mode do in a car
6
what does o/d off on a car mean
7
what does it mean to slam a car
8
what does red tag mean on a car
9
what does fbo stand for in cars
10
what does kia stand for in cars
More Forum Discussions

what is a clock spring in a car

1
5
4

what is an alternator for a car

5
4
4

what is caster in car alignment

15
2
4

what is a blower motor in a car

3
5
5
About Us
Terms of Use
Privacy Policy
Help
Contact Us
FAQ
Cookie
Cookie Policy
Cookie Settings
© 2025 Servanan International Pte. Ltd.