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I have a 2002 Jackaroo Montery with a 4JX1 diesel. I have…

Customer Question
I have a 2002...

I have a 2002 Jackaroo Montery with a 4JX1 diesel. I have replaced AP sensor and TPS and are unable to get it to relearn.It starts and idles but no response from the accelerator.

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

I had a P0122 and I am referring to the Accelerator Pedal Sensor.

Mechanic's Assistant: What is the make/model of your car?

Jackaroo Montery 2002 4JX1 diesel

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

Yes, replaced AP sensor. Was working before with old sensor with fault, now will not work with old or new sensor

Submitted: 4 months ago.Category: UK Car
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Answered in 1 hour by:
3/10/2018
UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago
Gary
Gary, ASE Certified Technician
Category: UK Car
Satisfied Customers: 1,914
Experience: Senior Technician
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Hello! My name is Gary.
Welcome to JustAnswer.
I'm reviewing your question now, and will post back with a reply shortly.

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UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago

Hello Michael,

What scan tool are you using?

Gary

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Customer reply replied 4 months ago
ELM327 interface in conjunction with EOBD-Facile mobile app
Customer reply replied 4 months ago
ELM327 interface in conjunction with EOBD-Facile mobile app.
UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago

I think you'll need a Tech2 like I use at work.

Gary

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Customer reply replied 4 months ago
Surely there is a way to relearn the Accelerator Pedal Sensor without a Tech2?
UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago

Has your Jackaroo had this 11-H-04 recall for APP issues?

http://forum.australia4wd.com/index.php?/topic/23147-4jx1-recall-notice/

I did a stack of these in 2011.

I don't know if what you have can do learn or programming like Tech2 can.

Gary

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UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago

Do you need any further help?

I hope my advice has been of assistance to you.

Gary

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Customer reply replied 4 months ago
the harness has been addressed. I am traveling so my response will be intermittent, but I do need to understand how to enable the EMS to see the AP sensor.
UK Auto Mechanic: Gary, ASE Certified Technician replied 4 months ago

I only know how to do it with Tech2, since that is the best scan tool for GM cars.

I don't think you have the necessary resources.

For the expense that 4JX1 can have, why don't you involve a dealer tech to fix this?

Gary

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