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REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech - Car Talk (24) - Nairaland

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Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 1:05pm On Mar 02, 2020
Waxxxy:
Abeg make una help me oo. My 2005 Toyota corolla vibrate on idle and stabilized whenever I ON the A/C.
check the condition of your throttle body. if dirty clean it. den do a throttle relearn procedure or drive the vehicle for a while for the ecu to relearn.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 6:23pm On Mar 03, 2020
grin
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 1:25pm On Mar 05, 2020
AutoMoTech:
grin
lets help diagnose that problem.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by PrinceDave001(m): 3:06pm On Mar 05, 2020
Hello,my honda accord jerks when gear changes especially if the car has been idle and there's a slow response while throttling at a higher RPM.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 6:11pm On Mar 05, 2020
PrinceDave001:
Hello,my honda accord jerks when gear changes especially if the car has been idle and there's a slow response while throttling at a higher RPM.
Model year of vehicle pls.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by PrinceDave001(m): 1:18am On Mar 06, 2020
AutoMoTech:

Model year of vehicle pls.

2003
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 10:00am On Mar 06, 2020
PrinceDave001:

2003
what repairs or maintenance service did you carry out recently?
did you change your gear oil recently? if yes, which one did you use?
also kindly scan all systems and post codes here. lets see what faults have been recorded.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by TheNewAgeFarmer(m): 7:44am On Mar 09, 2020
TheNewAgeFarmer:
Good Day. I recently bought a car (used)from this forum, Camry 2001, Auto Transmission, i4. To be honest it’s a big regret. I live in Benin and I had to send a friend, who took a mechanic along to inspect the car. Car was certified okay by the mechanic. But when I came for the car I discovered that whenever I am driving and I apply break it shuts off. I managed it to Benin like that and the next day I took it to the mech for repairs.
Fuel pump was changed, engine sensor, to cut the long story short, I have spent more than 28k trying to fix the issue of break and quench with different mech and electricians. Right now I don’t know who to blame, the seller or the mechanic that inspected the car and certified it okay. Please help is needed urgently on how to fix this issue. Thank you..
problem solved. Throttle body was replaced.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 8:20am On Mar 09, 2020
TheNewAgeFarmer:
problem solved. Throttle body was replaced.
wow beautiful... congratulations

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Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by temi4fash(m): 1:25pm On Mar 09, 2020
Hello,

Please i scanned my car and it came back with error code p1887.

I noticed a hard shifting when it is around 70 - 80km/h.

The tech cleaned ,checked and tested the sensors and he said it was still good.

But the hard shifting is still there. Says i need to buy a new gear...

Can you help
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 7:30pm On Mar 09, 2020
temi4fash:
Hello,

Please i scanned my car and it came back with error code p1887.

I noticed a hard shifting when it is around 70 - 80km/h.

The tech cleaned ,checked and tested the sensors and he said it was still good.

But the hard shifting is still there. Says i need to buy a new gear...

Can you help



Kindly provide more details of this said vehicle
The above bolded..Is this the only code on the vehicle?
Do you experience hard shifting at every gear or just a particular gear?
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by temi4fash(m): 7:33pm On Mar 09, 2020
AutoMoTech:

Kindly provide more details of this said vehicle
The above bolded..Is this the only code on the vehicle?
Do you experience hard shifting at every gear or just a particular gear?

It's an Honda city 2007 comes with 7speed mode. Only at this particular gear, when it get to 60 - 80 km/h
P0700 is the other code but I hear is just telling us it's a transmission issue
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 8:59pm On Mar 09, 2020
temi4fash:


It's an Honda city 2007 comes with 7speed mode. Only at this particular gear, when it get to 60 - 80 km/h
P0700 is the other code but I hear is just telling us it's a transmission issue
There is a switch called the torque converter clutch switch. The PCM uses it to monitor the transmission.
If the switch, wiring is faulty it can cause this problems. Find a competent tech who can test/diagnose the switch and also d wiring
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by temi4fash(m): 9:06pm On Mar 09, 2020
AutoMoTech:

There is a switch called the torque converter clutch switch. The PCM uses it to monitor the transmission.
If the switch, wiring is faulty it can cause this problems. Find a competent tech who can test/diagnose the switch and also d wiring

Do you have anyone you can recommend?

Am in Lagos
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 6:54am On Mar 10, 2020
temi4fash:


Do you have anyone you can recommend?

Am in Lagos
Reach me on 07062222998
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Waxxxy: 7:06am On Mar 11, 2020
Sorry for replying late. Please can I use soft cloth with petrol to clean it? And how will I do the relearn
Thank you

AutoMoTech:

check the condition of your throttle body. if dirty clean it. den do a throttle relearn procedure or drive the vehicle for a while for the ecu to relearn.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 9:34am On Mar 11, 2020
Waxxxy:
Sorry for replying late. Please can I use soft cloth with petrol to clean it? And how will I do the relearn
Thank you

yes you can. kindly do it gently please so as not to damage anything. however this is only necessary if the throttle body is dirty.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Waxxxy: 12:55pm On Mar 11, 2020
AutoMoTech:

yes you can. kindly do it gently please so as not to damage anything. however this is only necessary if the throttle body is dirty.

Thank you. I will snap it for you to see
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 1:25pm On Mar 11, 2020
Waxxxy:


Thank you. I will snap it for you to see
ok...pls do.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Xtianvic(m): 8:29pm On Mar 11, 2020
Please my Lexus es300 sometimes finds it difficult to speed up once it slows down.
Sometimes no matter how much you trottle down it may still be running at about 20km/hr, and would gradually pick up after sometime.

I suspect the gear is not returning well.

Please what could be wrong?
Cc Automotech et al
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by johnonuh: 9:20pm On Mar 11, 2020
Please I need someone with idea on how much it will cost to get a 1mz half engine, I really need someone to help me out.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 10:36pm On Mar 11, 2020
Xtianvic:
Please my Lexus es300 sometimes finds it difficult to speed up once it slows down.
Sometimes no matter how much you trottle down it may still be running at about 20km/hr, and would gradually pick up after sometime.

I suspect the gear is not returning well.

Please what could be wrong?
Cc Automotech et al
alot could be wrong.
low fuel pressure
weak ignition spark
faulty MAF etc..
kindly run a scan and also diagnose the problem sir...
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Rocice(m): 4:52pm On Mar 13, 2020
Hello bosses,
My Toyota Camry 2003 has been having stalling issues recently(whenever i am driving the car always stalls/powers off and sometimes the throttle loses power and i will have to park and restart the engine again before it can work).
I changed the ECU and the car worked perfectly for 1+ week and yesterday the problem started all over again
Pls what can i do
i am fed up
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 9:47pm On Mar 13, 2020
Rocice:
Hello bosses,
My Toyota Camry 2003 has been having stalling issues recently(whenever i am driving the car always stalls/powers off and sometimes the throttle loses power and i will have to park and restart the engine again before it can work).
I changed the ECU and the car worked perfectly for 1+ week and yesterday the problem started all over again
Pls what can i do
i am fed up
Is the check engine light on? If yes pls kindly carry out a scan as a first step in this diagnosis.

Also kindly provide any detail you believe would be relevant to this diagnosis. Thanks
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Rocice(m): 12:29am On Mar 14, 2020
Will do.so
Thanks
AutoMoTech:

Is the check engine light on? If yes pls kindly carry out a scan as a first step in this diagnosis.

Also kindly provide any detail you believe would be relevant to this diagnosis. Thanks
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 6:51am On Mar 14, 2020
Rocice:
Will do.so
Thanks
Pls do let us know what codes are stored
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Rocice(m): 1:11pm On Mar 14, 2020
P0120 and P1410
Throttle position sensor and mass air flow
This was fixed before I changed the ECU
AutoMoTech:

Pls do let us know what codes are stored
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 4:34pm On Mar 14, 2020
Rocice:
P0120 and P1410
Throttle position sensor and mass air flow
This was fixed before I changed the ECU
Ok. So now that the ECU is bad
What codes are stored?
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Rocice(m): 4:57pm On Mar 14, 2020
I meant that I've fixed the ECU
Its a new one now
I scanned it today and the error codes are mass airflow and TPS error codes
AutoMoTech:

Ok. So now that the ECU is bad
What codes are stored?
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 9:53pm On Mar 14, 2020
Rocice:
I meant that I've fixed the ECU
Its a new one now
I scanned it today and the error codes are mass airflow and TPS error codes
Ok. Now i get it.
My advice is this, somtyms a dirty or faulty MAF sensor makes the ECU think the throttle is faulty. In some other cases it is the other wat round.
So kindly diagnose wc of these components is faulty.... But my mind dey tell me say na dt MAF dey cause dis whole wahala.
B4 anything sha... Try clean your throttle body first. Dt shldnt cost u anything. Do dt n let's see what happens.
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by Fostercat(m): 1:03pm On Mar 15, 2020
Hello Car gurus,

My corolla 2010 is showing VSC on the dash board and the check engine light came up.
The car suddenly is consuming too much fuel.
What can I do ? I need help
Re: REMOTE FAULT ASSESSMENT AND DIAGNOSIS GUIDE By AutoMoTech by AutoMoTech(m): 1:38pm On Mar 15, 2020
Fostercat:
Hello Car gurus,

My corolla 2010 is showing VSC on the dash board and the check engine light came up.
The car suddenly is consuming too much fuel.
What can I do ? I need help
First thing is to scan... Afterwards provide the codes here so we can help with further diagnosis.
Also i do not think the vsc has anything to do with your fuel consumption except if it has to do with a faulty EVAP system. Because usually a fault in any of the emission system triggers the VSC light on with the CEL.
There might be something else causing it which might also be revealed in the scan result...

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