What are the reasons for the lack of power in Weichai engines when climbing slopes?

1 Answers
ReedLynn
07/30/25 5:23am
The reasons for the lack of power in Weichai engines when climbing slopes are as follows: 1. Fuel supply system failure: Fuel leakage or minor blockage in the fuel supply system, poor atomization or insufficient fuel injection in some cylinders, incorrect fuel injection timing. 2. Insufficient compression pressure: Intake and exhaust valves not opening properly, blocked air pipes, improper valve clearance or leaking cylinder gaskets, wear, sticking, or breakage of cylinder liners and piston rings, insufficient vacuum. 3. Other reasons: Engine overheating, deformation of transmission components causing torque issues. The characteristics of Weichai engines are as follows: 1. Feature one: Base-mounted structure, greatly facilitating maintenance and reducing workload. 2. Feature two: Crankshaft made of high-strength ductile iron, treated with nitriding. 3. Feature three: Wet cylinder liners made of boron alloy cast iron, with inner surfaces honed with a plateau cross-hatch pattern, offering high strength, low wear, and long service life. 4. Feature four: Pistons equipped with three compression rings and one oil ring, the first being a chrome-plated barrel face ring for good break-in performance. 5. Feature five: P-series fuel injection pumps and low-inertia fuel injectors produced with imported technology.
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