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What Causes the Great Wall Diesel High-Pressure Common Rail Engine to Fail to Accelerate?

1 Answers

SanFrank

07/30/25 4:55am

Reasons are as follows: 1. Diesel filter needs cleaning: A dirty or clogged diesel filter causes insufficient fuel supply, resulting in the vehicle's inability to accelerate. Replacing the diesel filter will restore proper fuel flow and resolve the issue. 2. Clogged fuel injectors: Blocked fuel injectors lead to inadequate fuel intake, causing the vehicle to fail to accelerate. Cleaning or replacing the fuel injectors will restore proper fuel flow and solve the problem. 3. High-pressure fuel pump pressure leakage: Pressure leakage in the high-pressure fuel pump results in excessively low oil pressure, preventing acceleration. Repairing or calibrating the high-pressure fuel pump will restore proper fuel pressure and resolve the issue. 4. Air filter needs cleaning: A dirty or clogged air filter causes insufficient air intake and poor combustion, leading to the vehicle's inability to accelerate. Replacing the air filter will ensure adequate air intake and normal combustion, solving the problem.

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