···
Log in / Register

Does a Successful Engine Start After Water Immersion Mean the Car is Operating Normally?

4 Answers
IsabelLynn
07/29/25 11:55am
Being able to successfully start the engine after water immersion can preliminarily indicate that the car is operating normally. Overview of Automobile Driving: Driving a car is one of the fundamental skills that modern individuals need to master. To acquire driving-a-motor-vehicle skills, one must meet the required age and physical conditions, and undergo training and examinations on road traffic safety laws and regulations, relevant automobile mechanical knowledge, and safe driving practices. Qualifications for Automobile Driving: The permission to drive a vehicle is granted through the issuance of a driver's license. This signifies that obtaining a driver's license is a formalized procedure that must be authorized by a specialized authority.
Was this review help?
8
5
Share
SanSteven
08/13/25 9:09pm
I've encountered a similar situation before. After the car was flooded, it could still start when ignited, but don't celebrate too soon—this doesn't necessarily mean the car is operating normally. After being submerged in water, the vehicle may harbor hidden major issues: the electrical system, such as the ECU or sensors, is prone to rust and short circuits, making sudden stalling while driving extremely dangerous; engine oil mixing with water can lead to lubrication failure, accelerating component wear over time; water in the transmission can corrode gears, causing gear shifting to become jerky while driving; rust and corrosion in the interior and chassis also affect safety. I recommend not risking driving the car and immediately contacting a professional repair shop for a comprehensive inspection of fuses, wiring, and seals, because water damage often isn't immediately visible. Additionally, consider filing an insurance claim—flood-damaged vehicles usually require reporting the loss to prevent subsequent problems from worsening. Remember, a successful ignition is just a superficial illusion; true health requires in-depth repairs.
Was this review help?
12
3
Share
Expand All
McNolan
10/08/25 7:16am
My car was flooded once last year. At the time, it could start up smoothly, and I naively thought everything was fine. But less than a week after driving it, things took a turn for the worse: the air conditioning stopped working, and the dashboard lights flickered erratically. It turned out the electronic modules had been corroded by water ingress. A water-damaged car is like suffering from an invisible illness—even if the engine runs, it doesn’t mean everything is functioning properly. Water seeps into small components like wire harness connectors or the fuel tank, gradually causing malfunctions. Clogged filters lead to reduced power, and rust on the chassis accelerates aging. I later had it towed to a shop and spent a fortune on repairs, only to realize that early inspection could have saved me a lot. So don’t take it lightly—after a flood, don’t rush to drive. Instead, find a reliable mechanic to thoroughly check the fluids and electrical systems. Safety comes first. Ignoring such issues can also shorten the vehicle’s lifespan, so it’s worth paying extra attention.
Was this review help?
8
1
Share
Expand All
DallasLee
11/21/25 8:34am
If the car starts successfully after being submerged in water, it may bring a sigh of relief, but it's definitely not a sign of normal operation. Water infiltration can cause hidden damage inside the vehicle: electrical system short circuits may lead to system failures while driving, engine oil mixing with water reduces performance, and sensor malfunctions can cause misjudgments. It's best not to drive it on the road to avoid the risk of sudden breakdowns, and seek professional inspection immediately.
Was this review help?
20
5
Share
Expand All
More Forum Discussions

How many models does the Yamaha YBR150 have?

There are two models of the Yamaha YBR150, one with disc brakes and one with drum brakes. Here is some information about the Yamaha YBR150: Appearance: The overall appearance may not be the most stylish, but the sharp lines and unique color schemes are not unattractive, making it an enduring design. Both front and rear lights, as well as turn signals, use conventional bulbs, but the brightness is sufficient. The taillight also features a popular split design. Configuration: The dashboard uses a traditional mechanical style and includes a gear indicator. The front brake is a single-piston disc brake, while the rear brake is a traditional drum brake. The internal wiring and craftsmanship are also meticulous, maintaining Yamaha's consistent production standards.
6
4
Share

What is the fuel consumption of Yamaha Xunying?

Xunying's actual fuel consumption per 100 kilometers is not less than 3 liters. If the average comprehensive fuel consumption is 3.65 liters per 100 kilometers, it is considered basically normal or slightly higher. Here is some introduction about Xunying: Appearance: The front lighting layout is divided into two parts, with the upper part being the turn signals and the lower part being the high/low beam lights and position lights. The clear and easy-to-read analog instrument panel is nothing special among scooters produced and sold in recent years. Braking: The single-piston brake caliper provides excellent actual braking force. The front storage compartment is reasonably designed, allowing for easy placement of small items. The scooter comes with an anti-theft keyhole, which is a common configuration for current scooters.
6
1
Share

How to Align the Reference Points for Parallel Parking in Driving Test Part 3?

Here are the step-by-step methods for aligning reference points during parallel parking in Driving Test Part 3: 1. Observe the front one-third of the car hood: Divide the hood into three equal sections. When the right one-third point aligns with the curb line during parking, the right wheels will be precisely 30cm from the curb. 2. Use the hood reinforcement rib as reference: Keep the right reinforcement rib aligned with the curb while moving forward to maintain the 30cm distance. 3. Utilize the windshield wiper notch: When the wiper's notch coincides with the curb line during forward motion, the vehicle maintains exactly 30cm from the curb. Detailed techniques for gear shifting in Driving Test Part 3: 1. Listen: When gear and speed mismatch occurs, obvious vehicle vibration and engine "knocking" sounds indicate shifting is required. 2. Watch: For students with poor vehicle sensitivity who can't perceive vibration intensity or determine shifting timing by sound, observe dashboard gauges for assistance. 3. Three Don'ts: Never look down at the gearshift, avoid skip-shifting, and prevent steering deviation.
11
5
Share

What does AEB mean?

AEB stands for Autonomous-Emergency-Braking, which is translated as automatic braking system in Chinese. It is an active safety technology for vehicles that can automatically monitor the distance and relative speed of objects ahead. When the driver brakes too late, with insufficient braking force, or fails to brake, the vehicle will issue a warning or apply the brakes automatically. Here is additional information: 1. Main functions of AEB: It includes three major parts: Pre-Collision Warning (PCW), Emergency Braking (EB), and Pedestrian Protection (PP). 2. Monitoring via radar and camera: The system uses radar and cameras to monitor the situation of vehicles and pedestrians ahead. If a potential collision risk is detected, the system will take corresponding warning and braking measures to avoid a collision or reduce the severity of the collision.
16
4
Share

What Color of Car Engine Oil Indicates It Needs to Be Changed?

Typically, the viscosity of the engine oil is used to determine whether it needs to be changed, rather than observing the color of the oil. Methods to determine if engine oil needs to be changed: Take a drop of oil and place it on a test paper. Observe the spread of the oil. If the edges of the spread are not clear, it means the oil can still be used. If a ring appears, it indicates the oil is still acceptable. If the ring is very distinct and the spread is minimal, it means the oil needs to be changed. Grade 1: There is no clear boundary between the deposit zone and the diffusion zone of the oil spot. The entire oil spot is uniform in color, and the oil ring is light and bright, indicating good oil quality. Grade 2: The deposit ring is dark in color, the diffusion ring is wide, and there is a clear boundary. The oil ring is yellow in varying shades, indicating the oil is contaminated but still usable. Grade 3: The deposit ring is dark black, deposits are dense, the diffusion ring is narrow, and the oil ring has darkened, indicating the oil has deteriorated. Grade 4: Only the central deposit ring and oil ring are present, with no diffusion ring. The deposit ring is pitch black, with dense and thick deposits that are difficult to dry. The oil ring is dark yellow or light brown, indicating the oil has oxidized and degraded. Method for changing engine oil: When adding engine oil, ensure the oil level is between the min and max marks on the dipstick. The oil level should not be below the min mark or above the max mark. If the oil level is below the min mark, it can lead to insufficient lubrication in the engine, increasing wear and tear. If the oil level is above the max mark, it can increase resistance during engine operation, leading to reduced power and increased fuel consumption. Always check the oil level carefully when adding oil.
9
2
Share

What causes the Yamaha Xunying 125 to lack acceleration?

Reasons for the Yamaha Xunying 125 lacking acceleration: fuel system malfunction, decreased engine compression ratio. Detailed explanations of the causes are as follows: Fuel system malfunction: Excessive fuel leads to an overly rich air-fuel mixture, causing the motorcycle to lack acceleration at low speeds. An overly rich mixture lacks sufficient oxygen during combustion, resulting in incomplete combustion. This reduces power output, worsens fuel efficiency, and easily leads to excessive carbon buildup, which can block the exhaust system and exacerbate the lack of acceleration. Decreased engine compression ratio: Engine power is directly linked to the compression ratio. With prolonged use, internal engine components wear out. If key components become excessively worn, the engine's compression ratio will decrease.
2
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.