Is a diesel engine oil pressure of 8 bars normal?

1 Answers
MacMaddox
07/29/25 3:20pm
Diesel engine oil pressure of 8 bars is not normal. The normal range is 3 to 5 bars, and around 1 bar at idle. The reasons for low oil pressure are as follows: Insufficient oil level: This situation is relatively easy to handle—just add the same type of oil. Contaminants in the oil: If there are contaminants in the oil, they can clog the oil lines, leading to low oil pressure. In this case, the oil must be replaced. Oil is too thin: If the oil is too thin, its sealing performance is poor, and the oil can easily leak through gaps, resulting in low oil pressure. In this situation, the oil must be replaced with a higher viscosity grade. Oil pressure sensor failure: When the oil pressure sensor is damaged, it can easily misjudge the oil condition. In this case, professional assistance is required to resolve the issue.
Was this review help?
15
1
Share
More Forum Discussions

What Causes Vehicle Body Shaking?

Vehicle shaking can occur during startup, idle, and high-speed driving. Shaking during startup is mainly due to insufficient fuel combustion, resulting in inadequate power. Low ignition energy means that during startup, especially when fuel and lubricant temperatures are low, more throttle is needed to meet power demands. Over time, the spark plug gap gradually increases, leading to reduced ignition energy and poor fuel atomization, which causes the vehicle body to shake. Here are additional details: Points to note: Idle shaking should not be ignored either. Causes of idle shaking include severe engine carbon buildup, issues with the ignition system, unstable oil pressure, and aging engine components. If the vehicle shakes at idle, it is recommended that the owner first clean the engine, replace the spark plugs, and check the fuel supply pressure.
13
1
Share

How many points are deducted for the vehicle body crossing the line?

If the body of a motor vehicle crosses the line, 100 points will be deducted. The vehicle body crossing the line is considered a violation and will result in failure in the Subject 2 test of the motor vehicle driving license. During the test, it is important to observe the distance between the vehicle body and the ground line through the rearview mirrors and make timely adjustments. Here are additional details: Notes: For the Subject 2 test of the motor vehicle driving license, it is essential to arrive at the test site in advance and bring your ID card. Do not be nervous during the test. The purpose should not be just to pass the test; instead, approach it with the same attitude as during regular practice to increase the chances of passing.
2
2
Share

How Long After Running a Red Light Will You Receive Notification?

After running a red light, the illegal photo notification SMS is usually received within 3 to 7 days, with the latest being around 13 days. However, some cities now offer "instant electronic police capture alerts," where you can receive an SMS notification within 5-10 minutes of being captured. But this notification does not equate to a traffic violation; it merely serves as a capture alert. The final determination of whether it constitutes a violation takes 3-7 days. If it is indeed a violation, you will receive another SMS notification. For traffic violations captured by surveillance cameras, vehicle owners generally do not receive the violation SMS immediately. There is a delay, and the duration can vary. This is because after the electronic camera captures the violation, the relevant violation information needs to be transmitted through a dedicated channel to the traffic police management center, where it is compiled and then verified by relevant staff. Once confirmed as a violation, the system automatically retrieves the vehicle owner's phone number based on the license plate information and sends the violation details via SMS. After receiving the violation SMS, the vehicle owner must go to the traffic police department where the violation occurred within one month before the annual vehicle inspection to address the issue. Generally, if a vehicle owner suspects a violation, they can use 15 days as a benchmark. If no violation SMS is received beyond 15 days, it is likely that no violation was recorded. Traffic Violation Query Methods: Traffic violation queries refer to checking motor vehicle traffic management violations via the internet or query terminals. Methods include website queries, phone queries, SMS queries, and mobile app queries. Website Query: Search for "vehicle violation query" and input your vehicle information to check. Phone Query: Dial local 114 (area code + 114) or 12580 to confirm traffic violations. Violations can only be processed at the location where they occurred or where the vehicle is registered. For on-the-spot violations, such as those caught directly by a traffic officer, they must be handled at the violation site. SMS Query: Open your phone's SMS interface, enter "WZ [license plate number] [license plate color]," send to 1062650001, and click send. Mobile App Query: Open the "Traffic Management 12123" app, select "Violation Query," and clear any unresolved violations.
1
0
Share

What Causes the Throttle to Fail After a Vehicle Drives Through Water?

Reasons for throttle failure after a vehicle drives through water: Fuel line blockage: When the vehicle's fuel system is blocked, especially if the fuel injectors are clogged, fuel cannot be adequately transported, leading to incomplete combustion in the engine cylinders. As a result, the engine's power decreases, causing the vehicle to not accelerate when the throttle is pressed. Exhaust system malfunction: Exhaust system issues, typically involving a clogged catalytic converter or exhaust pipe, can also prevent the throttle from functioning properly. Throttle body carbon buildup: When a vehicle has been driven for an extended period without cleaning, carbon deposits can accumulate on the engine's throttle body, affecting fuel combustion and ultimately leading to reduced vehicle power and increased fuel consumption.
20
2
Share

Is a Broken Speed Sensor Serious?

You can continue driving with a broken speed sensor, but it's best to drive at a relatively slow speed to the nearest auto repair shop for maintenance or replacement. After all, a faulty speed sensor will directly affect the vehicle's driving safety system, leading to a decline in the car's stability performance. At this time, aggressive driving poses significant safety risks. Here is some additional information: Speed Sensor: The speed sensor is usually installed in the drive axle housing or transmission housing. The speed sensor signal line is typically encased in a shielded jacket to eliminate electromagnetic and radio frequency interference caused by high-voltage ignition wires, car phones, or other electronic devices. This ensures uninterrupted electronic communication and prevents driving performance degradation or other issues.
9
0
Share

Is it harmful to drive a short distance with the handbrake engaged?

If you start driving without releasing the handbrake, the brake pump cannot provide sufficient braking force, which may cause the engine to stall. This leads to a situation where the driver continues driving with the handbrake engaged. The most immediate consequences of driving without releasing the handbrake are accelerated wear of the brake discs and hardening of the brake pads due to overheating. Here is additional information: The handbrake, technically known as an auxiliary brake, operates differently from the main braking system. It uses a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Prolonged use of the handbrake can cause the steel cable to undergo plastic deformation, which is irreversible and reduces its effectiveness over time. Starting the car without releasing the handbrake can easily cause the engine to stall. The brake pump is an elastic pressure device, and after driving for a while, the tightness of the brake pads, brake discs, and handbrake cable will adjust accordingly.
11
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.