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 Post subject: Accelerator pedal position sensor
PostPosted: Fri May 19, 2017 8:50 am 
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Soft Roader

Joined: Fri May 19, 2017 8:45 am
Posts: 24
Hello!

Firstly please let me know if this is in the wrong place...

I've been looking into the lack of power my 2003 X-trail 2.2 Di has, and the error code is coming back as the following:

P0120 - Accelerator pedal position sensor

http://imgur.com/085WZjS

The auto electrician who diagnosed has said he can replaced the pedal/sensor if I get the part. Does this sound correct, and if so what's the correct part? I've looked on ebay and there seems to be a wider range with variations in use of throttle/accelerator.

Many thanks in advance!


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Fri May 19, 2017 5:36 pm 
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Extreme Off Roader
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Joined: Sat Apr 12, 2014 10:20 pm
Posts: 343
Location: northumberland
Car:: Xtrail
Model: T31 dci
Year/Plate: 58
Colour: grey
Mods: leather seats :)) cooper discoverer at3 tyres 235/60/17 , full respray
I replaced the entire pedal on mine with a second hand pedal off a breaking car on ebay

but yes you can buy the TPS but you would prob have to match the part number

doesnt take much to remove it just 3 or 4 10mm nuts


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sat May 20, 2017 8:31 am 
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Soft Roader

Joined: Fri May 19, 2017 8:45 am
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That's great! In terms of replacement, do I need one specific to my 2.2 Di diesel or does any accelerator and sensor from 01-07 xtrails do the job?

Thanks!


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sat May 20, 2017 11:10 am 
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Xtrail Nut
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Joined: Fri Nov 08, 2013 8:20 pm
Posts: 3476
Location: Milton Keynes
Car:: Nissan Xtrail
Model: 1.6 dig-T Tekna
Year/Plate: 2016/66
Colour: Silver
Mods: Rear bumper sill guard, Door sill scuff guards, Rubber boot liner
cloudkicker wrote:
That's great! In terms of replacement, do I need one specific to my 2.2 Di diesel or does any accelerator and sensor from 01-07 xtrails do the job?

Thanks!


Early models differ to later models in that some are 6 pin and some are 8 pin. Easiest way is as Davy said, undo the four bolts holding the pedal assembly to the bulkhead, unplug the cable and you will have the whole thing in your hand. On the side of the plastic tps is a part number and you can count the number of pins.

You will find that this assembly is common across some of the Nissan range so one from a Primera or Almera may well fit.

Best regards
Milton :biggrin:


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sat May 20, 2017 3:24 pm 
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Soft Roader

Joined: Fri May 19, 2017 8:45 am
Posts: 24
Appreciate the instructions - will take a look during the week and see how many pins it is.

Anything else I should do before disconnecting? Unplug battery I'm guessing?


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sat May 20, 2017 10:55 pm 
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Xtrail Nut
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Joined: Fri Aug 23, 2013 10:48 am
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Location: NORTHUMBERLAND
Car:: Xtrail
Model: SPORT X 2.2DI with SAFARI LIGHTS
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Mods: LED Internal and Number Plate lights. Double Din Parrot Audioline Stereo. Nightbreaker Headlight Bulbs. Rubber Boot Liner. Home Made Roof Rack for Safiri Roof Rails. Fire extinguisher. First Aid Kit. 12V tyre pump inflator.
Hi

Try to clean the TPS on the accelerator pedal first, heres a link to show you how to do it

viewtopic.php?f=12&t=20794

What are the exact symptoms of lack of power on your X trail ?

Cheers
Mike

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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sat May 20, 2017 11:04 pm 
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Soft Roader

Joined: Fri May 19, 2017 8:45 am
Posts: 24
Hi!

Thanks for the link, that's handy.

Symptoms are a lack power when the accelerator is depressed. No sudden drops in rev, but up a regular incline it loses speed and changing down can be necessary. Effectively feels like there's a dead spot on the accelerator beyond about half way.

Not sure if that helps? It drives like an underpowered car currently but no other symptoms.


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sun May 21, 2017 12:43 am 
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Xtrail Nut
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Location: NORTHUMBERLAND
Car:: Xtrail
Model: SPORT X 2.2DI with SAFARI LIGHTS
Year/Plate: 2003/53
Colour: ARUBA BLUE BW06
Mods: LED Internal and Number Plate lights. Double Din Parrot Audioline Stereo. Nightbreaker Headlight Bulbs. Rubber Boot Liner. Home Made Roof Rack for Safiri Roof Rails. Fire extinguisher. First Aid Kit. 12V tyre pump inflator.
cloudkicker wrote:
Hi!

Thanks for the link, that's handy.

Symptoms are a lack power when the accelerator is depressed. No sudden drops in rev, but up a regular incline it loses speed and changing down can be necessary. Effectively feels like there's a dead spot on the accelerator beyond about half way.

Not sure if that helps? It drives like an underpowered car currently but no other symptoms.


Hi
.
When you clean the TPS then also clean the MAF sensor at the same time. Use electrical contact cleaner to clean the two units. If after you have cleaned them and your still having the same problem please come back and let us know on this thread.

Cheers
Mike

_________________
Yesterday's History and tomorrow a mystery but today is a gift, it's why we call it the present.


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sun May 21, 2017 12:08 pm 
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Soft Roader

Joined: Fri May 19, 2017 8:45 am
Posts: 24
Will do! I'll be giving it a go tomorrow - are there similar instructions for the MAF as well? Sorry, completely new to this...


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 Post subject: Re: Accelerator pedal position sensor
PostPosted: Sun May 21, 2017 12:40 pm 
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Xtrail Nut
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Joined: Fri Aug 23, 2013 10:48 am
Posts: 1159
Location: NORTHUMBERLAND
Car:: Xtrail
Model: SPORT X 2.2DI with SAFARI LIGHTS
Year/Plate: 2003/53
Colour: ARUBA BLUE BW06
Mods: LED Internal and Number Plate lights. Double Din Parrot Audioline Stereo. Nightbreaker Headlight Bulbs. Rubber Boot Liner. Home Made Roof Rack for Safiri Roof Rails. Fire extinguisher. First Aid Kit. 12V tyre pump inflator.
Hi

The maf sensor is easy enough to clean, It is positioned just after the air filter box on the air inlet pipe attached to the Air filter box.

Unplug the Maf sensor and then unscrew the two retaining screws and detach the maf sensor from the body for cleaning

When you go to clean it make sure you only use electrical contact cleaner and take care not to be heavy handed, spray down all the holes you see on the Maf and use a cotton bud where you can but do not exert any pressure, just use careful and soft wipes with the cotton bud where you can especially over any wire or resistor you can get to.

With electrical contact cleaner you do not have to worry about wiping it of after applying, just let it dry totally before putting back into the X trail. It will only take about of 5 minutes to dry.

I hope that cleaning the Maf and the TPS it resolves the issue for you.

Cheers
Mike

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