Poor crankshaft position sensor signals can directly lead to the ignition system failing to operate normally, and in severe cases, it can even prevent the engine from starting completely. It is one of the most critical sensors in modern electronically controlled engines, often referred to as the “nerve center” of the engine.Here are the specific … Read more
Fixed pressure sensors Fixed sensors are used for engine performance measurement and PMI automatic calibration, with initial calibration completed during system debugging. During use, calibration of the fixed sensor must be performed on the engine using a calibration sensor and calibration box. MAN M&W stipulates that the frequency of recalibration must not be less than … Read more
The Mercedes-Benz C-Class, a luxury sedan that has been the dream of countless individuals, has faced some challenges in recent years. Since its generational change in 2021, it has been competing against the BMW 3 Series’ 2.0T engine with its 1.5T + 48V mild hybrid system. Although the interior still exudes luxury, the perceived “downgrade” … Read more
Automobiles have many types of sensors, and when any one of these sensors fails, various issues can arise in the vehicle. What are automotive sensors? Automotive sensors are input devices for the vehicle’s computer system, converting various operational condition information, such as vehicle speed, temperature of various media, and engine operating conditions, into electrical signals … Read more
Vehicle Condition: A BMW 328i with a mileage of over 220,000 km. The engine experiences idle shaking, fluctuating RPM, and sometimes fails to accelerate, emitting black smoke at times. Fault Diagnosis: Using a BMW-specific diagnostic tool, three fault codes were retrieved: 16685 (Cylinder 1 Misfire) 16686 (Cylinder 2 Misfire) 16688 (Cylinder 4 Misfire) It was … Read more
On automotive forums, it is often seen that car enthusiasts mention piston damage after ECU tuning. There has been much discussion about the pros and cons of ECU tuning, primarily focusing on methods (canned tunes, custom tunes, whether to use a dyno, etc.) and pricing. This article will discuss the technical reasons behind why some … Read more
This article is an exclusive piece from Wu Pei’s channel, authorized by Autohome for publication. Please credit Wu Pei’s WeChat public account for any reprints, and feel free to share it in your circle of friends. Do you remember yesterday’s article titled 《Is Your Car Lacking Power? ECU Tuning Can Boost It by Several Horses!》? … Read more