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I have a nissan pathfinder 2015- 2.5cdi. Having issues with…

Hi,i have a nissan...

Hi,i have a nissan pathfinder 2015- 2.5cdi. Having issues with the vehicle going into "limp mode" when accelerating on the freeway or when towning. Got a diagnostics test done and the exhast pressure sensor and exhast gas system is faultly. Is this a common issue because my people are useless. Any help?

Mechanic's Assistant: Which particular sensor are you asking about? And have any trouble codes been triggered?

P1028 and P102B on the computer

Mechanic's Assistant: Are you fixing your Pathfinder yourself? What have you tried so far?

At a dealership,im in south africa so service isnt the greatest. They have replaced the carbondioxide sensor if im not wrong

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Thats it thanks

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Answered in 4 hours by:
3/27/2018
Peter Zavarelli
Category: UK Car
Satisfied Customers: 32,950
Experience: Technical Consultant at Just Answer
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Hi, my name is ***** ***** I will be happy to assist with this today.In some cases, I may need more info to assist better.I apologize for any delay.
I am here Sundays through Thursdays from around 5 am to 2 pm Mountain time.If you respond and I do not respond back right away I will do so as soon as I can.

Does it run like it has a lack of power when trying to accelerate?

Let me know,thanks Pete.

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Customer reply replied 3 months ago
Hi pete. It runs fine most of the time,i turn the ignition and let the coil heat up 99% of the time but when i dont,this "lack of power" happens,when it does...even on the freeway,im unable to increase speed as the pedal is "dead". It almost feels like when u run out of feul.

If you have not had an exhaust back pressure test done at all this should be done.If there is excessive back pressure in the exhaust system this will cause this fault here and can be caused by one of the exhaust components restricting.This will also cause these codes to set.If you have a broken baffle or component in one of the exhaust components that may be moving around in the exhaust plugging up the flow intermittently this can occur.I would have the exhaust checked for any restrictions to see if this is the cause here at all.

I don't see this being a fuel issue with the codes you have set.This sounds more exhaust related and the exhaust components need to be checked to see if one is plugged up in any way.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service, your 5-star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.I work on delivering the best answer and help here but in some cases, it can be difficult to do without seeing the vehicle.

Thanks Pete

Peter Zavarelli
Category: UK Car
Satisfied Customers: 32,950
Experience: Technical Consultant at Just Answer
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