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Tell Us Your Car Faults. Let's Assess And Fix Them - Car Talk (174) - Nairaland

Nairaland ForumNairaland GeneralCar TalkTell Us Your Car Faults. Let's Assess And Fix Them (239468 Views)

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Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Ojukwu4real(m): 4:31pm On May 25, 2025
Louiscars:
You”ll have to carry out a drain test then, are you in Lagos
Yeah I am in Lagos but the vehicle has refused to come back to Lagos due to different problems
The vehicle is currently in Umuahia,Abia State
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Louiscars: 4:42pm On May 25, 2025
Ojukwu4real:
Yeah I am in Lagos but the vehicle has refused to come back to Lagos due to different problems
The vehicle is currently in Umuahia,Abia State
Damn, if you could tell any auto electrician to check for the battery drain with a multimeter
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 5:01pm On May 25, 2025
curiobling:
Hi guys,

I did oil change service when my car mileage was at 142,158 KM and currently at 144,201 KM. I got a dash notice that oil change service required. I did oil life reset the last time I carried out the last service though.

This is just less than 1500 Miles na, abi the brain box deh whyne me ni. Some people own even deh do over 5500 miles

Ford edge 2011. The slap on my butt is that my engine oil check dipstick is stucked, I just believe this is not true, abi synthetic oil get life grade ni. This was my first Naija oil change I bought and this is happening so fast
It's nor.al with 1994 opel omega.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 5:04pm On May 25, 2025
Ojukwu4real:
Mercedes Benz ml350 2008 model runs down the battery after parking for 3 hours
Ojukwu4real:
Battery has been replaced two times and still the same issue
My alternator is charging bcuz it keeps starting until I park it for a while but if I remove the battery terminal and come back after hours and fix it back,the vehicle will start up immediately
So I don't know what is running down the battery when I don't remove the terminal
Using a digital multimeter, check battery voltage, then revert back.


You may also wish to check and clean the ground cable and the location where it mounts to the body of the car with a sandpaper. W164 are also known for degrading the wires of the battery and alternator for reasons I don't know. I've had to fix these in over 7 units of W164 over the years.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Ojukwu4real(m): 6:41pm On May 25, 2025
Louiscars:
Damn, if you could tell any auto electrician to check for the battery drain with a multimeter
I know that if am able to get the vehicle to Lagos,I'll be able to get a solution but those electrician there are just doing trial and error
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Ojukwu4real(m): 6:43pm On May 25, 2025
kingreign:
Using a digital multimeter, check battery voltage, then revert back.


You may also wish to check and clean the ground cable and the location where it mounts to the body of the car with a sandpaper. W164 are also known for degrading the wires of the battery and alternator for reasons I don't know. I've had to fix these in over 7 units of W164 over the years.
I will have to get someone to help me with this
Thanks
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by mayor2013: 8:44pm On May 25, 2025
Ojukwu4real:
Mercedes Benz ml350 2008 model runs down the battery after parking for 3 hours
From experience ensure that the trunk closes well. There is an electric padded like switch you press to lift up and close the trunk. Sometimes that switch malfunctions and usually have a mind of its own. Check that. You also need to carry out a parasitic drain test. Good luck
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by NobleEngineer(m): 5:36am On May 26, 2025
Adeoluyetunde:
Most times I have issues with my clutch either the upper one or the lower one. I use Mazda 626 millennium boot....what can I do so that such problem won't keep recurring? Thanks
How did you later resolve this?
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Ojukwu4real(m): 7:38am On May 26, 2025
mayor2013:
From experience ensure that the trunk closes well. There is an electric padded like switch you press to lift up and close the trunk. Sometimes that switch malfunctions and usually have a mind of its own. Check that. You also need to carry out a parasitic drain test. Good luck
Thanks for the update
The trunk switch is not even working again so I only open manually from inside nd close with a bang
There are too many electrical engineering in that vehicle and it's making it malfunction seriously
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by macuwon(m): 3:12am On May 27, 2025
My Lexus rx300 is having issues, the car would just go off sometimes when I'm not in full motion, and it drags a few seconds to move after a cold start. I parked the vehicle for some weeks and today I took it to the mechanic. He immediately said it's fuel pump, bought fuel pump, same thing, he said it's plug, i bought new plugs and cleaned the nozzles, same thing. He used his scanner and said the scanner saw nothing, that we would continue tomorrow.. I feel it's a small issue but I'm tired of the trial and error. Please who has an idea what could cause it? After firing the car for a while, it's less noticeable.. Location is egbeda lagos
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 3:29am On May 27, 2025
macuwon:
My Lexus rx300 is having issues, the car would just go off sometimes when I'm not in full motion, and it drags a few seconds to move after a cold start. I parked the vehicle for some weeks and today I took it to the mechanic. He immediately said it's fuel pump, bought fuel pump, same thing, he said it's plug, i bought new plugs and cleaned the nozzles, same thing. He used his scanner and said the scanner saw nothing, that we would continue tomorrow.. I feel it's a small issue but I'm tired of the trial and error. Please who has an idea what could cause it? After firing the car for a while, it's less noticeable.. Location is egbeda lagos
Did you scan that car?
I bet it's the throttle position sensor that is misaligned or failing.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by 2cribz: 7:57am On May 27, 2025
Kexus rx car triping off. Its not fuel pump or plugs. One of your coils is bad,there is a cut wire somewhere coming in contact with the chasis. Go to a rewire,or on the car by 9pm,open the engine bay,look for a spark while engine is on and everywhere is dark. Its a rewire work. Thats why i hate mechanics,even with a scanner,the fool still cant do shi t. Na rewire work and im suspecting a bad air flow sensor,bad engine timing bad coils bad fuel,bad engine oil..
macuwon:
My Lexus rx300 is having issues, the car would just go off sometimes when I'm not in full motion, and it drags a few seconds to move after a cold start. I parked the vehicle for some weeks and today I took it to the mechanic. He immediately said it's fuel pump, bought fuel pump, same thing, he said it's plug, i bought new plugs and cleaned the nozzles, same thing. He used his scanner and said the scanner saw nothing, that we would continue tomorrow.. I feel it's a small issue but I'm tired of the trial and error. Please who has an idea what could cause it? After firing the car for a while, it's less noticeable.. Location is egbeda lagos
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by omotoda(m): 12:43pm On May 27, 2025
macuwon:
My Lexus rx300 is having issues, the car would just go off sometimes when I'm not in full motion, and it drags a few seconds to move after a cold start. I parked the vehicle for some weeks and today I took it to the mechanic. He immediately said it's fuel pump, bought fuel pump, same thing, he said it's plug, i bought new plugs and cleaned the nozzles, same thing. He used his scanner and said the scanner saw nothing, that we would continue tomorrow.. I feel it's a small issue but I'm tired of the trial and error. Please who has an idea what could cause it? After firing the car for a while, it's less noticeable.. Location is egbeda lagos
Best you scan and post the code(s) here

Many things could be responsible
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Royle2014(m): 2:22am On May 28, 2025
Recently, my Toyota matrix 2005 drives fine when cold, idles well, exactly at 1. But immediately the engine warms up, it always stalls and rpm drops and dies when I'm at a check point or in traffic. I have to put it in neutral so it doesn't die on me. No hard starts, it accelerates well etc but just dies in traffic when hot. On rainy days when the engine doesn't really heat up, it drives so well you'll think theres no problems. Please what could be wrong. Someone suggested i change my fuel pump assembly but its sold for 90k and i cant blindly gamble that amount without knowing if it would fix the problem
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 7:35am On May 28, 2025
Royle2014:
Recently, my Toyota matrix 2005 drives fine when cold, idles well, exactly at 1. But immediately the engine warms up, it always stalls and rpm drops and dies when I'm at a check point or in traffic. I have to put it in neutral so it doesn't die on me. No hard starts, it accelerates well etc but just dies in traffic when hot. On rainy days when the engine doesn't really heat up, it drives so well you'll think theres no problems. Please what could be wrong. Someone suggested i change my fuel pump assembly but its sold for 90k and i cant blindly gamble that amount without knowing if it would fix the problem
Have you scanned the car?
If no, pls scan it and post codes here to assist this diagnosis.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Royle2014(m): 8:08am On May 29, 2025
kingreign:
Have you scanned the car?
If no, pls scan it and post codes here to assist this diagnosis.
Herre are the codes

Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 8:32am On May 29, 2025
Royle2014:
Herre are the codes
Your scanner says it's got 7 codes. Get a better scanner and run the scan again pls.


But from the little info you posted, the cylinder 2 coil is bad and needs replacement. Before replacing it, swap coils, clear codes, and drive then rescan again.


Your engine is nit properly timed. Was thus engine timing opened and worked upon at anytime previously?
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Royle2014(m): 11:18am On May 29, 2025
kingreign:
Your scanner says it's got 7 codes. Get a better scanner and run the scan again pls.


But from the little info you posted, the cylinder 2 coil is bad and needs replacement. Before replacing it, swap coils, clear codes, and drive then rescan again.


Your engine is nit properly timed. Was thus engine timing opened and worked upon at anytime previously?
Yes. It was. So I shld get a mech to check the timing?
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 11:47am On May 29, 2025
Royle2014:
Yes. It was. So I shld get a mech to check the timing?
Yes have another competent mechanic check its timing and correct it.

Ps. Replace the timing chain tensioner. It can fail if mishandled or if not retracted properly, so change it all together. Check the cam sprockets, if it's welded, replace it.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by JoeSef0(m): 9:29am On May 31, 2025
What's the best way to clean and degrease underneath of my engine bay?

Y'all know how the Honda K24 engine are know for having different leaks from different gaskets... Mine is just like that, it's so bad that the underneath is full with grease. I want to try clean it so i can start monitoring it to know where the leaks are coming from.. The local kazeems around me aren't making it easy for me. They are just guessing. That's why I'm taking matters to my hands
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by 2cribz: 10:32am On May 31, 2025
Go to a less busy alignment shop that has a car wash,drive into it,tell the car wash to defrease using steam from underneath
JoeSef0:
What's the best way to clean and degrease underneath of my engine bay?

Y'all know how the Honda K24 engine are know for having different leaks from different gaskets... Mine is just like that, it's so bad that the underneath is full with grease. I want to try clean it so i can start monitoring it to know where the leaks are coming from.. The local kazeems around me aren't making it easy for me. They are just guessing. That's why I'm taking matters to my hands
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by JoeSef0(m): 12:39pm On May 31, 2025
Like those Petrol stations that does car alignment and services right?
2cribz:
Go to a less busy alignment shop that has a car wash,drive into it,tell the car wash to defrease using steam from underneath
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by 2cribz: 1:15pm On May 31, 2025
Y3s,look for the one that has a car wash inside.
JoeSef0:
Like those Petrol stations that does car alignment and services right?
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Nteogwuija(m): 8:02am On Jun 01, 2025
JoeSef0:
About the jerk when you engage Gear
From my little experience of using a car, i noticed people don't make use of handbreak while parking their car, they just move the car from D to P which is bad and that's the cause of the jerk. I don't know the solution to that cos even my car does that and some other cars I've driven.
But here's what i do. Whenever you want to park your car, With your foot still on the break, Put the car on N, engage the Parking break, remove your legs from the break to allow the car rest on the parking breaks then shift gear to park. If you do this as i mentioned, you'd notice that the next time you shift thr gear from P to R/D. You won't notice the Jerk.

The Jerk is caused because the car weighs is resting on the Gear which in time has an effect on the gear and sometimes even do more damages to it. Try this and let me know if it works
Thank you very much. I'll try this when next I drive. I'll post the feedback once I do.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by sunny3: 8:49am On Jun 01, 2025
My 08 Corolla speedometer and RPM is not reading, the gear handle only shifts when shift lock bottom is pressed. It does not communicate with scanner
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by kingreign(op): 2:06pm On Jun 01, 2025
sunny3:
My 08 Corolla speedometer and RPM is not reading, the gear handle only shifts when shift lock bottom is pressed. It does not communicate with scanner
You need a highly skilled electrician to check your electrical systems. It's not a remote job.
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by JoeSef0(m): 3:09pm On Jun 01, 2025
It could be your alternator draining the battery while the car is off. My guy's 09 Corolla has same issue, we changed the battery and visited few rewire, and they kept recommending him to do kill switch which i refused.
We got a third opinion and the guy checked the alternator and said it's drawing power even while the car is off. Took it somewhere to fix it and installed it back. That was the end of the issue.

Ojukwu4real:
Battery has been replaced two times and still the same issue
My alternator is charging bcuz it keeps starting until I park it for a while but if I remove the battery terminal and come back after hours and fix it back,the vehicle will start up immediately
So I don't know what is running down the battery when I don't remove the terminal
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Nteogwuija(m): 6:11pm On Jun 01, 2025
JoeSef0:
About the jerk when you engage Gear
From my little experience of using a car, i noticed people don't make use of handbreak while parking their car, they just move the car from D to P which is bad and that's the cause of the jerk. I don't know the solution to that cos even my car does that and some other cars I've driven.
But here's what i do. Whenever you want to park your car, With your foot still on the break, Put the car on N, engage the Parking break, remove your legs from the break to allow the car rest on the parking breaks then shift gear to park. If you do this as i mentioned, you'd notice that the next time you shift thr gear from P to R/D. You won't notice the Jerk.

The Jerk is caused because the car weighs is resting on the Gear which in time has an effect on the gear and sometimes even do more damages to it. Try this and let me know if it works
So I tried this but it didn't work. Before now, an electrician assessed the car and suggested that I might have to test another brain box on the car.

Is it possible that a faulty wiring could cause this jerking?
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by sunny3: 10:53pm On Jun 02, 2025
kingreign:
You need a highly skilled electrician to check your electrical systems. It's not a remote job.
Thanks
Re: Tell Us Your Car Faults. Let's Assess And Fix Them by Ojukwu4real(m): 3:07am On Jun 03, 2025
JoeSef0:
It could be your alternator draining the battery while the car is off. My guy's 09 Corolla has same issue, we changed the battery and visited few rewire, and they kept recommending him to do kill switch which i refused.
We got a third opinion and the guy checked the alternator and said it's drawing power even while the car is off. Took it somewhere to fix it and installed it back. That was the end of the issue.
Wow this is a new twist to the whole thing
I will have to tell my mechanic and see what comes out of this one
Thanks
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