Dear Montego

Thanks for the reply.

I have one diagram but I do not find the Bank2 Sensor2. I would be glad and thankful to you if you could just send me the picture of B2S2 from your car.

Do not you think from my pictures if these holes welded should hold my O2 Sensors or they are somewhere under the shield of Catalytic converter which we can not see from under the car?

Thanks again

Sheraz

Dear Montego

Can I ask you how many liters of A/T transmission oil I need to fill in for normal changing..? Should I change the external filter as well.? Which things I should care of specially for changing oil?

As I read you changed yours at 40000 miles. Mine has now 62000 Km.

Thanks for your reply.

Sheraz

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the first picture is the 2nd sensor on bank one (bank one is the rear of the engine).......l can not take a picture of the first sensor on bank one because it is hidden at the back of the engine

the second picture is the first sensor on bank two (bank two is at the front of the engine)

the third picture is the second sensor on bank two

you need six liters of fluid to drain and refil the gearbox (use genuine SP111 fluid)......always change the trans. oil filter when you change the gearbox oil (its very easy).................however if yours is a 2002 model or later it will not have an external filter

Dear Montego

Thank you very much for providing the pictures. Well I have total 2 O2 sensors at before the Catalytic converter of each bank.
There is no second O2 sensors. See the picture of mine.

I have 1999 model and think it has total 2. I can see from your second picture the cable going to B2S2 but I do not have any cable there. Clamp is free.

I even can not say that these holes should hold my Sensors because these are downward and sensor should be fitted upwards.

Well I am now really confused.

Cheers

Sheraz

This post has been edited by sheraz: Nov 10 2009, 01:31 PM

yes l'm confused as well, as your car is left hand drive and sold on the swiss market it is possible it may have different specs. but l am not sure.

you say that your car passed its emission test o/k........well in that case there can't be anything wrong

are your sure you car is a 3.0liter model and not a 2.5liter?

Dear Montego

It is registered in October 1999, 3.0 Liter 2972cc, V6, 137 kw, empty weight 1685 kg, emission code 02.

In emission test it was good and had almost the same values as it was in the beginning.

Cheers

Sheraz

Dear Montego

Changing the ECU of my 1999 XG30 with the problem code PO 743. Why?

Because only TCM was defected.

I found out the following,

The XG300 has an integrated Engine Control Module (ECM) and Transaxle Control Module (TCM), which is sometimes referred to as a Powertrain Control Module PCM (combined ECM/TCM in XG300 vehicles. Therefore, reprogramming of the ECM and TCM logic can be performed at the same time.


I think ECM and TCM are combineied in my XG and they could not change only TCM so they changed the whole. (ECU Part No. 39110 39168).......?

I can see my model is bit different as I also only have 2 O2 sensors instead of 4.

Just wanted to share with you.

Thanks

Sheraz

Dear Montego

Could you please tell me if it is right.?

I went Today to buy a automatic transmission oil to Hyundai dealer. Its the biggest in town. I ask them for SP111 which is the genuine fluid. They said that they have got now ATF 4 which is new and latest after SP3 and they always use it on all Hyundai's and it is better quality etc.

I did not buy because I know something like this does not exits otherwise it was mentioned in he forum somewhere.
I want to confirm if you or any one know this new ATF fluid came after SP3 and is suitable to my xg's or not? I do not want to put a wrong fluid.

I will appreciate for the clarification.

Thanks

Sheraz

This post has been edited by sheraz: Nov 26 2009, 06:16 PM

atf-4 is the aftermarket spIII. Nobody buy Hyundai/Kia will sell SPIII specifically, but if you look in the back of the atf-4 bottle it will tell you what it works good on.

Thanks mac1.

I think I should try another dealer and buy only SP111.

But just concern, does ATF-4 has the same specification as SP111?

Closing Thread --- Problem solved for the following condition.

Bogging, Lake of power at load, misfire, rough Idle ( These conditions sometime may not turn CEL on)

My problem fixed as I had a ground short through my Radio/clock and door lights wiring and every ground wire going out of PCM to sensors (ETS, MAF, etc) had 2.2 millivolt and around 10 Ohms resistance which made all sensors work improperly. In this case as all your sensors are good your CEL may not turn on.

I thought in the beginning that my MAF is faulty but I changed with the same from other car but problem did not solve.

Details How I checked if you have he same problem before you start changing sensors,


Check if MAF has a right voltage as well as ground is not short,

Turn ignition key on, measure the voltage between 2 pin of MAF connector ( from right second pin of connector) with ground it shoud be around 5 volt. Check the voltage between pin 4 and ground it should be 12 volts. If these values are right check the ground negative coming to MAF.

For ground check turn the ignition off,

measure the resistance between pin 3 of MAF connector and negative pole of battery it should be less than 1 ohm and no voltage.

In my case it was 10 ohms and 2.2 millivolts. If it is not correct it can be possible that TPS, TPM, APS have the ground short as well so check these too to make sure.

To confirm where you have a short circuit to ground, try taking each fuse out and check if the resistance goes back to normal less than 1 ohm. In my case my Deck/clock and door light have short to ground connection as I took these fuses off resistance went to normal and no voltage.

Now I am driving since yesterday without changing any thing on my car and it drives like it should. No misfire, no rough idle, no lake of power at hard acceleration and I can feel that A/T works better than before and it does not get confuse.

I think as lot of us have radio cd problem as it turns on automatically can also cause the short circuit to ground due to wrong wiring in xg's which can cause the sensors malfunction or they will die one by one.

I hope it helps someone who has the same problem.

Sheraz

This post has been edited by sheraz: Nov 27 2009, 11:16 AM