Why is it difficult to start after replacing the diesel filter in a China V vehicle?
2 Answers
Difficulty in starting after replacing the diesel filter in a China V vehicle may be due to the need for an adaptation period after the replacement. The owner can drive for a while to see if the starting performance improves, or visit a repair shop to have the maintenance personnel check if other components are damaged. Here is more information about diesel filters: 1. Diesel filter: It is one of the important components that ensure the quality of diesel entering the engine. Diesel filters are mainly divided into two types: spin-on type and replaceable type. 2. Function: High-quality diesel filters can effectively block the dust and moisture carried in diesel and significantly extend the service life of fuel injection pumps, diesel nozzles, and other filtering components.
I've encountered this issue a few times, mainly due to air getting into the fuel line. When changing the diesel filter, the pipeline is left open, allowing air to enter and block the diesel flow. The high-pressure fuel pump in China V vehicles is quite sensitive – too much air and it stops working. You need to locate the hand primer pump, that rubber button next to the filter, and press it firmly dozens of times until it becomes stiff. Keep going until the hissing sound in the fuel line disappears, indicating all air is purged. If the filter connection isn't tightened properly or the seal ring is misaligned, it will continue to leak air. Winter makes it worse – residual moisture in new filters can freeze in no time. Don't rush to call a tow truck; checking these areas first could save you hundreds.
