It’s not always easy to recognize when your vehicle is suffering from possible engine damage.
Many symptoms can be overlooked and seen as “normal.” (Engine Damage)
While not all symptoms may threaten the life of your engine, there are some obvious warning signs for engine damage.
Engine Damage-So, The engine is the heart of your vehicle, giving your car the necessary power it needs to operate correctly.
The engine keeps giving us signs of its gradual deterioration before falling apart completely.
We must be aware of such engine damage signs, and one needs to be very conscious.
If you have any engine damage, it will significantly affect your car’s performance.
Fortunately, you can save yourself time and money by quickly diagnosing engine problems before they cause more harm to your vehicle.
Here are a few of the common signs of possible engine damage:
Check Engine Light Turns On.
Dashboard warning lights are your car’s way of alerting you about problems it detects via its On-Board Diagnostics (OBD) system.
So, If your Check Engine Light (CEL) turns on, you should not dismiss it, as ignoring the problem could cause more damage to your engine (and other parts) over time. Consequently, There are many different things that can trigger a check engine warning light.
Some common reasons for a check engine light appearing include:
- Mass-Airflow Sensor is in need of replacement.
- Catalytic converter is damaged and in need of replacement.
- Spark plugs are damaged or worn (causing engine misfires).
- Fuel cap isn’t on tight enough (a very common, easy to fix issue).
- Could also be many other electronic sensor and actuator related issues.
- The Oxygen Sensor needs replacing.
Most auto parts stores will read your fault codes for free!
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Your Car Is Making Strange Noises.
A knocking noise coming from under your hood is a classic sign of engine damage.
This noise could be caused by wear or damage to your engine’s mechanical parts such as:
- Pistons.
- Bearings.
- Or other moving parts.
If you hear this type of noise, you should take your car to a mechanic as soon as possible to prevent further damage. Ignoring this problem could result in your car breaking down on the side of the road and a much greater repair bill (than catching the problem early).
In addition, Other noises you should look out for include popping, hissing, spitting and backfiring from your exhaust.
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The Engine Is Running Rough Or Inconsistently.
Listen to the sound your engine produces while you are driving. Is it consistent? A struggling engine will often stutter, shake or lose power as the revs increase. A few common solutions for this may be:
- Replace the spark plugs
- Test / replace your ignition coils
- Check your fuel pressure
- Clean your Air Flow Meter
- Or give your engine a tune-up
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Oil Patches Under Your Car.
If you notice puddles of oil under your vehicle, this is probably a result of a leak in your engine.
As the oil depletes, more friction and will occur in your engine, generating excess heat.
Oil leaks are common from engine oil seals, and sump plugs / sump plug washers.
This can cause damage to engine components over time.
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You Smell Odours From Inside The Car.
The smell of a car’s emissions should never be noticeable from inside the vehicle. If you have a strong exhaust smell, of engine fumes or any other strange odours, this could be a sign of engine damage. Don’t ignore strange engine smells and expect them to go away.
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Your Car Is Using More Gas Than Normal.
In most cases, a bad oxygen sensor will trigger a check engine light.
P0138 and P0135 are some of the codes you may expect to see on the OBD II reader if you have one.
Other than that, it’s difficult to spot a failing oxygen sensor.
Hence, It will inevitably lead to decreased gas mileage.
Increased fuel consumption can often be related to a fault in the way your engine processes fuel. When paired with a visible check engine light and other engine-related symptoms, the problem can be much more serious.
If you notice your car is using more fuel, get it checked and fixed by a professional. This will save you money in the long run.
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You Experience A Loss Of Engine Power.
There are four things a gasoline engine requires to generate power and almost any engine problem will come down to something relating to one of these four factors:
1- Air:
Dirty Air Filter
- Luckily an easy fix, air filters can get clogged up with debris over the miles, so it’s important to either clean them or replace them when this happens.
Exhaust Restrictions
- What comes in must go out. Therefore, Restrictions on either end of the block will mean reduced airflow and reduced performance. As a result, The engine will have to work harder to push out exhaust gases, limiting power.
2- Fuel:
Fuel Injectors
- Clogged fuel injectors create a cascade of problems.
Fuel Pumps
- Overtime the fuel pump can wear out, but it might not necessarily fail catastrophically.
3- Compression:
- For old engines, maintaining compression can be a bit of challenge. Compression-related issues are often a major contributing factor to a loss of power, and the fixes aren’t as easy as some of the other reasons, simply because metal components have worn over time.
Carbon Deposits On Intake Valves/Valve Seats
- Consequently, If carbon deposits build up on the valves or valve seats, this can prevent the valves from closing properly. If an intake valve cannot fully close, it will allow air to escape during the compression stroke, effectively lowering the compression ratio.
4- Spark:
Fouled Spark Plugs
- Spark plugs can build deposits with time. Inconsistent spark plug firing means you’re likely to misfire. As a result, Maintaining clean plugs ensures that the spark part of the equation doesn’t result in a loss of power.
Carbon Deposits On The Piston
- If deposits build on the piston or cylinder walls, these deposits can create hot spots. Because, These hot spots can result in engine knock if conditions allow for it. So, If the engine is capable, it will retard the ignition timing to reduce the likelihood of knock. By retarding the ignition timing, power is lost.
Engines will struggle to run at their usual level if there is an internal problem. Your vehicle may stall, shake at high speeds or struggle with hills.
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There Is Smoke Coming From Your Exhaust.
There are several reasons why your exhaust could be producing smoke.
The colour of the smoke can give you an idea of what is causing the problem:
If the smoke is black, it means that your engine is having incomplete combustion which leads to burning too much fuel. This could be due to:
- Damaged fuel injectors.
- Malfunctioning sensors.
- A damaged air filter.
- A clogged fuel return line.
- Mechanical damage in the engine
Grey smoke can mean several different things, making it difficult to diagnose. Possible reasons include:
- A stuck PCV valve.
- Problems with your transmission fluid.
- Excessive oil consumption.
Dark blue smoke means that your engine is burning oil. This is due to oil leaking into your engine’s combustion chamber. This could be due to:
- Worn out piston rings.
- Damaged valve seals.
- Other worn or damaged engine components.
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You May Think Your Head Gasket Is Blown.
A driver will often wonder what causes a blown head gasket.
The truth is, anything from the coolant system to the combustion chamber could be responsible.
Most confusing is the fact that symptoms which resemble those of head gasket failure will sometimes originate from other causes. In certain cases, a symptom might show due to multiple failures within the engine. Examples could include the following:
- Overheating could be caused by a restricted radiator.
- Coolant in the oil, usually blamed on head gaskets, could actually be due to problems with the intake gasket.
Symptoms such as these may or may not be due to the head gasket.
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Your Car May Need New Spark Plugs.
So, Spark plugs act as an integral component of a car’s ignition system and work by receiving high-voltage electrical current from the ignition coils, using it to ignite the air/fuel mixture in the combustion chamber.
When a spark plug fails to fire, it can cause simple to serious problems.
Here are some warning signs that could mean failing spark plugs:
Engine Misfires:
- An engine that misfires gives an instantly-recognizable sensation: it will stumble for a brief period and then regain its pace. Consequently, If this happens, it means the engine is not functioning as smoothly as it should – and the more frequently this occurs, the more serious the problem. A misfiring engine means the spark plugs are not firing properly. As a result, A single misfiring spark plug can cause alot of raw fuel to be dumped into the exhaust. This could cause it to overheat and damage the catalytic converter.
Lack of Acceleration:
- If you notice a loss of pep in your cars step, take it in for a professional inspection – chances are your spark plugs are bad.
Engine Won’t Start:
- Is your car having problems starting correctly? If so, this could be due to worn spark plugs. When spark plugs are overly worn, it can cause a car’s ignition system to work harder. Add in harsh weather conditions and the engine could have trouble starting.
Rough Idle:
- Cars idle all the time – when at a stop light, in traffic, and so on. And during these times, your car’s engine should be continuous and smooth. Hence, If spark plugs are not working as they should, the engine will produce a rough, jittery sound, and the engine will stumble.
High Fuel Consumption:
- Filling up on gas more than usual? This could mean spark plug trouble. One of the main duties of spark plugs is to help ensure emissions are kept at a minimum. So when spark plugs deteriorate, it can cause a decrease in fuel economy. As spark plugs wear, the gap between plug electrodes can expand or close up; both negatively affect engine’s fuel economy and emissions.
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Consequently, It is important to be aware of potentially damaging symptoms and have the vehicle inspected if something doesn’t seem right.
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