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5 Signs That Your Car Might Be Faulty And Needs Repair - Car Talk - Nairaland

Nairaland ForumNairaland GeneralCar Talk5 Signs That Your Car Might Be Faulty And Needs Repair (9961 Views)

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5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 8:30am On Aug 29, 2025
If you are a car owner and start experiencing these signs, your car might be at risk of serious issues. You may want to get an auto diagnotics technician to have it scanned for possible solution.

Below are 5 signs your car is at risk of developong serious issues.

1. Warning dashboard lights

Check Engine Light:
Check engine lights are indication of a possible problem in your car. If left unchecked, can lead to severe issues with your car so it shouldn't be ignored when you see it on your dashboard.

Oil Pressure and battery lights:
Oil pressure can be an indication of oil shortage in your car. The battery lights also indicate an issue with the charging systems of your car.
Other lights can be tire pressure light,airbag lights, traction control lights, etc. If found on your car dashboard,call a diagnotics technician to find out the problem.

2. Unusual Noises: 


When you hear noises coming from your car whether from the engine or the tire sections, it could be a serious indication of a failing component in your car. If discovered, handling the issue early enough can save you more in excessive repairs.


3. Performance issues

Rough idling:
When your car takes time to accelerate, it is a sign that an engine problem is eminent. It can also be a sign that your fuel pump or air intake system is faulty.

Hard Start:

This can stem from your car's battery being weak or your fuel pump is faulty. It can also be a faulty kick starter. When you notice this,ensure to take your car to the mechanic early enough.

4. Fluid Leaks

Oil leaks underneath car:
Noticing oil leaks under your car can be as a result of oil leakage, can also be coolant or transmission oil leakages. This is a clear sign that your engine, transmission or cooling system might be in critical condition.

5. Smoke from exhaust:

Smoke coming out of the exhaust or under the bonnet is a very serious sign and can be as a result of burning oil or coolant. Different smoke color coming from your exhaust can mean different problems. This is an indication that your engine is on its way to develop a serious fault.
5 Signs That Your Car Might Be Faulty And Needs Repair

Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 8:49pm On Aug 29, 2025
Ensure you always take notice of the warning lights in your car to avoid stories that touch.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 9:17am On Sep 01, 2025
If you notice any leakages underneath your car, it show a potential leakage form any of the following ;
1. Radiator
2. Gear
3. Engine
4. Water can

If you notice this, it's best you visit the mechanic workshop.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Kingpele(m): 3:20pm On Sep 01, 2025
Me noticed that my engine get hot quickly even if is 10km driver for like 4 days now ,I parked it ...am still waiting on my mechanic to come back from his village to come and tell me whatup...oh my ..no4 is what I noticed on my ride
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Kingluqman(m): 3:22pm On Sep 01, 2025
autoscandoc:
If you notice any leakages underneath your car, it show a potential leakage form any of the following ;
1. Radiator
2. Gear
3. Engine
4. Water can

If you notice this, it's best you visit the mechanic workshop.
Add shock absorber to this list.. it has happened to me before
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by heybeebugatty(m): 3:23pm On Sep 01, 2025
Before you take your car to any mechanic, please ensure that you research about the like cause of the problem… E get why.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by eazzzy1(m): 3:35pm On Sep 01, 2025
That number 10 sign - oil pressure is very dangerous to your car. If it comes up, park immediately and get your car towed. Even if a mechanic is five minutes away from you, don’t think of driving the car with that light on. It could damage your engine in minutes.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Raregem9000(m): 3:45pm On Sep 01, 2025
Pls What does number 11 mean? A mechanic once told me its tyre pressure though but I just wanted to be sure.
eazzzy1:
That number 10 sign - oil pressure is very dangerous to your car. If it comes up, park immediately and get your car towed. Even if a mechanic is five minutes away from you, don’t think of driving the car with that light on. It could damage your engine in minutes.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by damosky12(m): 3:46pm On Sep 01, 2025
Kingpele:
Me noticed that my engine get hot quickly even if is 10km driver for like 4 days now ,I parked it ...am still waiting on my mechanic to come back from his village to come and tell me whatup...oh my ..no4 is what I noticed on my ride
That's overheating. Has something to do with your coolant system.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by PapaNnamdi: 4:41pm On Sep 01, 2025
Real men drive cars with dead dashboard

7 more ikebe needed
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Cutezt(m): 4:54pm On Sep 01, 2025
My vehicle’s ABS and Check Engine lights illuminated simultaneously after a scan revealed a faulty upstream O2 sensor. I replaced the sensor but didn’t rescan before driving due to time constraints. While driving, the Check Engine light reappeared. I parked, scanned again, and found the upstream O2 sensor was still malfunctioning. Since the battery was disconnected during the repair, the ECU reset, likely triggering the code after a drive cycle.

I’m sure the new O2 sensor is functional, so I suspect an issue with the wiring harness or a related component. I plan to revisit the mechanic when I have time. In the meantime, I’ve noticed a significant increase in fuel consumption.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by obinna58(m): 5:11pm On Sep 01, 2025
Been driving with check engine light for 4yrs now and car still smooth and cool
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by ppogba: 5:21pm On Sep 01, 2025
If engine oil indicator appearing on your dash board did not bother you, nothing else in this world will.

But, the consequence , you go hear whennn.

If same is on your dash board now, do something urgently, else your story could be " when I was still having a car"
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by alphaconde(m): 5:31pm On Sep 01, 2025
That sign will someone in a sitting position at the top right corner is what fault?

Its steady on my dashboard and i never saw it as anything
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by zuby4real10(m): 5:35pm On Sep 01, 2025
alphaconde:
That sign will someone in a sitting position at the top right corner is what fault?

Its steady on my dashboard and i never saw it as anything
Seat belt. Weather passenger or driver's own.

Ghhjejirrijrjeggstahanbnn
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by lordm(m): 5:43pm On Sep 01, 2025
My plugs are due for changes .

That's a common reason for engine misfire
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Gotocourt: 7:19pm On Sep 01, 2025
My car has all that problems. Engine light came on and vehicle started sounding like grinding machine, it was a blocked filter that was the culprit 😥. Engine dey smoke, short oil. On God oOoOO 🙏
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Atolu01: 7:22pm On Sep 01, 2025
I tend to agree . It does seem quite "faulty" 🙂 .



7 more mr. Seuns needed
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by dgitrader(m): 7:41pm On Sep 01, 2025
One Abobii drove his naija used car with check engine lights for straight 6 years before upgrading to another.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Felakezman(m): 8:06pm On Sep 01, 2025
zuby4real10:
Seat belt. Weather passenger or driver's own.

Ghhjejirrijrjeggstahanbnn
its an issue with the airbag and not seat belt

thanks
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Fastt: 8:15pm On Sep 01, 2025
That's why i have my bicycle to tke me to my farm work..no oil change,no gear change, no faulty sensors, just me and my hand pump
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by Meself: 8:45pm On Sep 01, 2025
God will help me. I just drive. If I am going somewhere far I drive to my mechanic to check everything including water in my radiator. I don't check anything
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 8:51pm On Sep 01, 2025
A faulty 02 sensor is caused by damaged wire or corroded connectors or even damage from impact thereby exposing it to fuel contaminants. If this happens,your sensor cannot measure accurate oxygen in the exhaust. With this,your car will consume much fuel meaning it will run rich on fuel consumption. Since you have scanned it, let your mechanic work on it.
Cutezt:
My vehicle’s ABS and Check Engine lights illuminated simultaneously after a scan revealed a faulty upstream O2 sensor. I replaced the sensor but didn’t rescan before driving due to time constraints. While driving, the Check Engine light reappeared. I parked, scanned again, and found the upstream O2 sensor was still malfunctioning. Since the battery was disconnected during the repair, the ECU reset, likely triggering the code after a drive cycle.

I’m sure the new O2 sensor is functional, so I suspect an issue with the wiring harness or a related component. I plan to revisit the mechanic when I have time. In the meantime, I’ve noticed a significant increase in fuel consumption.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 8:53pm On Sep 01, 2025
It's a good thing for your mechanic to have it checked since you are going far. Once all thr necessary checks and fixes have been done#you are good to go
Meself:
God will help me. I just drive. If I am going somewhere far I drive to my mechanic to check everything including water in my radiator. I don't check anything
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 8:54pm On Sep 01, 2025
If the mass airflow sensor is filled with carbon
,it can also cause your car to misfire and run lean on fuel
lordm:
My plugs are due for changes .

That's a common reason for engine misfire
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by merits(m): 9:01pm On Sep 01, 2025
autoscandoc:
If you notice any leakages underneath your car, it show a potential leakage form any of the following ;
1. Radiator
2. Gear
3. Engine
4. Water can

If you notice this, it's best you visit the mechanic workshop.
You forget to put power steering oil,is a also a culprit of leakages.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by eazzzy1(m): 10:07pm On Sep 01, 2025
Raregem9000:
Pls What does number 11 mean? A mechanic once told me its tyre pressure though but I just wanted to be sure.
Yes that’s a tire pressure signal. Either one or more of the tyres isn’t properly pumped or the sensor itself is faulty.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by makaveli902: 11:13pm On Sep 01, 2025
obinna58:
Been driving with check engine light for 4yrs now and car still smooth and cool
Is it a Toyota, try this if it is: Open the hood of your car and locate your battery terminals and and remove the negative terminal. Wait for five minutes and reconnect it back. Start your engine and see if the CHECK ENGINE is off. Worked for my Toyota RAV 4 but the sign reappeared after two weeks Sha.
There are so many useful infos on YouTube.
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by femi4: 7:33am On Sep 02, 2025
You can still have electrical fault that doesn't show any symptoms
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by autoscandoc(op): 3:47pm On Sep 04, 2025
Using a scanner can detect the hidden fualt very fast
femi4:
You can still have electrical fault that doesn't show any symptoms
Re: 5 Signs That Your Car Might Be Faulty And Needs Repair by femi4: 5:30pm On Sep 04, 2025
autoscandoc:
Using a scanner can detect the hidden fualt very fast
Haa
With scanner, no car will pass in Nigeria except new vehicles
1 2 Reply

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