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Showing posts with the label Car repairs

Car starts with difficulty and occasionally does not start

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 Today the car's fault has been troubling the owner for more than six months, the cause of the fault is that the vehicle is difficult to start, the vehicle does not start for only two general reasons, one is the oil circuit, one is the circuit. Let's start with the easy one! We first remove the spark plugs, open the key door to start the vehicle and see if there is ignition? See if there is spark here. This means that the circuit is normal. Let's look at the fuel circuit again. It's actually quite simple to check the fuel circuit, there is a petrol detection port here and Normally, when the vehicle is started, the fuel pump gets power and the pump will supply oil through the petrol filter and to this test port here. Let's see if there is oil in this test port? Seeing as there is no oil here, next we go to the oil pump, which is all under the rear seat, just under this cover.This is the oil pump. Let's unplug the oil pump and have a look, the problem has been fou...

Car repair bad brake switch causes vehicle not to start

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Today this car parked here well, after a night to play can not start, the owner spent 800 yuan to call a tow truck, the tow truck are to the door of this underground garage, found that the door is too short to enter, today I will see if I can be here on this car repaired, by the way to help the owner save 800 yuan. First try the car, step on the brakes hang p gear to start the vehicle, no response, generally encounter this situation on two reasons, either the battery is dead, or the starting system has problems, we first look at the battery has no electricity, open the headlights to try, the headlights are still so bright, indicating that the battery power is sufficient, that is the problem of the starting system. We all know that the automatic car, only in p gear and neutral to start the vehicle, now is hanging in p gear, let's try hanging in neutral can not start, found that hanging into gear, both can not fire and hanging into gear, I probably know the cause of the problem, I no...

Do-it-yourself repair of bad ignition problems in cars with leaking fuel injectors causing bad ignition

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Today this car is every time you start, can not start at once, each time you have to play 2-3 times put to start, like this car is generally ignition or oil injection problems, we first take the spark plug out to check. There are many problems in the car, look at the colour of the spark plugs to know the reason, we will look at the colour of the spark plugs of this car in a moment. 1 cylinder 2 cylinders 3 cylinders 4 cylinders, the problem is obvious is not 1 cylinder 2 cylinders 4 cylinders, the colour is different from 3 cylinders, 3 cylinders of the colour is obviously lighter than the other three, and there is a great smell of gasoline, indicating that the problem lies in the 3 cylinders of the fuel injection nozzle. Use an oil pressure gauge to measure the oil pressure to verify whether it is the injector problem, connect it to this access port here, and then go to the car to open the key door, let the oil pressure up, the oil pressure is now about 3 pressure, normally, he shoul...