The gasoline pump is also good. At first, I thought it was a lack of oil supply, so I replaced it with a new one. Thank you.

It depends on where your gasoline pump was changed. If there is a problem with the replacement of the maintenance station, it is estimated that your gasoline pump is fine. The problem lies in your oil system. The easiest way is to clean the throttle. If it doesn't work, clean the fuel tank and oil circuit to see if there are any impurities. Most of the reasons are that the impurities in the oil tank and oil circuit cause the oil nozzle of the oil pump to be blocked. If it still doesn't work, it's probably the air flow meter. If you changed the gasoline pump in the roadside repair shop, it is estimated that 99% of you changed to the manufacturer (commonly known as fake). What should I do? I suggest you go to the 4S shop to change the gasoline pump, because you are unlikely to change it to the original gasoline pump in the repair shop along the road. The original gasoline pump is not only expensive but also non-refundable, and the general repair shop will not replace it for you. In fact, you can change the gasoline pump core, but you should pay attention to too many fakes. The original factory is VDO (Siemens), but you should be careful not to switch to Jetta, because B5' s gasoline pump core and Jetta 2V are common, but the pressure of B5' s gasoline pump core is higher than that of Jetta 2V, so Jetta 2V's gasoline pump is cheaper than B5' s. If you switch to Jetta, it will be ok at first for tens of thousands of kilometers. After that, because the fuel supply could not keep up, the power of the car became worse and worse.