If you notice the following signs, then all car maintenance attempts don't work any longer. It is probably best that you bring your car to the wrecking yard right away.

1. The check engine light is constantly on

Your check engine light being on all the time is one of the most obvious warning signs
Many experienced car experts reveal that when your car’s check engine light is constantly on, it means you need to get your car to the service station asap. As a part of your onboard diagnostics system, the check engine light popping out and flashing continuously is, in most cases, an indication of a state of emergency. The car engine might malfunction soon, and when it does, then you know the rest of the story.

2. Your car is always out of engine oil

You just had an engine oil change and now it’s out of oil again
The engine oil has one simple job - to lubricate the car engine. If you find your car constantly out of oil, do a quick inspection: if you detect any oil leakage to the exhaust pipe or off to the road, you should take your car on a trip to the mechanic before it’s too late. However, if you haven’t had an oil change for about 5 years or so, and the excess oil has accumulated and spilled into other parts in the surrounding area, then there’s probably no longer any cure for your car.

3. You notice toxic smoke and strange smell

Your car is discharging toxic smoke and odd smell
Many people believe that smoke discharge from the car is completely normal. However, when there are thick clouds of smoke that have strange colors and odors coming out of your car tailpipe, this is when you should get very worried.

Blue smoke: Your car exhausting blue smoke means that the vehicle is burning too much oil. Blue smoke might appear when you start the car or accelerate. What you need to do in this case is to replace, or have someone replace, the head gaskets on your car’s pistons.

White thick smoke: This is almost certainly a sign of an engine malfunction - it’s either a cracked engine block, a damaged cylinder head, or a blown head gasket. When seeing this sign, you need to quickly bring the car to the repair center to avoid complete damage to the engine. White smoke from the exhaust also indicates that the car’s gearbox oil or coolant is being burnt instead of the fuel, which can lead to jams when shifting gears.

Black smoke: Black smoke is also a rather dangerous sign, and the darker the smoke, the more serious of a trouble you’re having. When your car flushes out black smoke, it’s an indication that your car engine is flooded with gasoline. Another common cause is that your car is burning too much fuel, in which case you should adjust the carburetor or the electronic fuel injection system.

4. Your gearbox is not functioning properly

You might notice something is really off about your gearbox
Transmission slipping is when your car suddenly shifts gears on its own while you’re driving. You might notice other signs of problem with the gearbox such as the jumping or grinding of the transmission during acceleration. This is a very dangerous situation, as it can cause the driver to lose control over the steering wheel. Needless to say, a trip to the mechanic should be first on your to-do list in this case.

I do most but it doesnt die yet.

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I do most but it doesnt die yet.