Damage to Caterpillar Engine Parts Can Lead to a Loss of Engine Power

Engine power refers to the ability of the engine to complete its work per unit of time, and a drop in engine power will bring many problems to the performance and use of the machine. This article will provide you with a detailed introduction to the possible causes of engine power decline and solutions, I hope this will help you.

There are many reasons for Caterpillar's engine power to drop, and the following are a few common ones.

(1) oil-water separator clogging. Fuel pumped from the tank and through the coarse filter, the fuel in the large particles and water are separated out, diesel fuel if it does not meet the standard, coupled with the hydraulic excavator tanker truck refueling, site environmental pollution, filtration is not in place, etc., the engine power will fall, serious speed drop, black smoke from the exhaust pipe, the whole machine moves slowly. At this point you need to consider the quality of diesel fuel, environmental factors, etc., to shorten the use of oil-water separator time and replace it in advance.

(2) fuel pressure regulator slide valve. The upper spring breaks, the throttle hole is blocked, the slide valve is in a fully open state, the back pressure of the check valve is reduced, resulting in lower fuel pressure at the injector inlet, the engine power drops.

(3) Ambient temperature. Ambient temperature has a significant impact on engine power output. When the ambient temperature rises and exceeds the design temperature, the engine power output is reduced, thereby reducing efficiency. For example, the engine's design temperature is 30 ° C. When the ambient temperature reaches 40 ° C, the engine's power output may be reduced by as much as 5-10%. High coolant temperatures as well as high diesel fuel temperatures may cause Caterpillar engines to lose power.

Reasons and solutions for high coolant temperature: ① Radiator water surface is too low. Check for leaks and add water. ② Radiator clogging. Check the radiator, clean or repair. ③ Water pump belt slack. Adjust the tension as required. ④ Water pump gasket is damaged and water pump impeller is worn. Check and repair or replace relevant Caterpillar engine parts. ⑤ Thermostat faulty. Replace. ⑥ Water pipe seals are damaged and air is leaking in. Check water pipes, fittings, gaskets, etc., and replace damaged parts.

Causes and solutions of high diesel temperature: ① Low oil level or lack of oil in the oil pan. Check the oil level and oil leakage, repair and refueling. ② high diesel temperature. Check the causes of high diesel fuel temperature and exclude. ③ poor circulation of diesel cooler. Check and clean.

(4) Sensor failure. The intake pressure sensor is a sensor used to estimate the intake air volume (installed on the intake pipe), the coolant temperature sensor is a sensor used to determine the engine heat load (installed on the outlet pipe), and the rail pressure sensor is a sensor used to detect the fuel pressure in the common rail pipe (installed on the common rail pipe). Check whether the intake air pressure sensor, coolant temperature sensor, and rail pressure sensor are working properly, and check their output data streams with a troubleshooter to determine whether they are working properly. Replace the malfunctioning sensors in time. If the oil rail pressure sensor is not working properly, replace it together with the common rail pipe.

Keluo Construction Machinery is a strong manufacturer of new and used construction machinery, engines and parts, selling many sizes of diesel engines as well as engine parts, where you can buy affordable, high quality and most suitable caterpillar engine parts, diesel engines, etc. Our After-sales service is also very good, you can contact us at any time if you have any problems. Place your order now, the products will be sent out within 3 to 5 days, if you need samples, you can also contact us, looking forward to cooperating with you.