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Discussion Starter #1
Hi All,

I recently purchased the above car and started having problems with the anti pollution as well documented on this site, with my error code p1457 and looking on this site and others it seems good practice to change the dpf sensor.

I had a look through my haynes manual to see that on this model the sensor is located the top right of the radiator, after having a look i cant seem to locate it.

My question is is there something i need to remove to find it or is the haynes manual incorrect?

I am looking to fit the new sensor at the weekend so hopefully someone can point me in the right direction before then.

Also do i need to do any quirky turning off of the battery or am i good to just plug and play whilst its still connected?

Thanks!
 

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Discussion Starter #3
Thanks for the quick reply, I checked the links you attached, are you trying to tell me that the issue could lie with something else rather than the dpf sensor?

Having looked at the error codes of the other threads it seems that there is almost always another fault code that comes with the p1457, my other fault codes are p0100 'airflow not pausable' and p1351 'relay supplied and plugs never supplied'

Thanks

Rob
 

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Discussion Starter #4
After having a quick search through and having a look at the photos i have on my phone the only fault that is permanent on my phone is P1351, which from looking around indicates it is either a relay or a glow plug failure. So I will check the glow plugs when I get home to find out which one of the two it is.

Could the P1457 fault be caused by the P1351 fault or are they completely unrelated?

I apologize if i shouldn't be logging everything I am doing/thinking but hopefully it will help other people in the future!
 

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I would assume that P1351 would mean the glow plugs aren't working properly, therefore car isn't regenerating therefore filter getting blocked up.
 

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Discussion Starter #6
So hopefully after I have resolved the issue it is possible that the P1457 fault will disappear?

Also do I need to clear the faults off before the DPF can start regenerating?
 

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Discussion Starter #8
So I managed to have a look under the bonnet last night but could see or feel a thing, this morning lucky my baby girl fell asleep giving me a window of opportunity!

Found the plugs at the back of the engine, i managed to check 3 out of the 4 as the 2nd from left has from what i am gathering exhaust pipes right behind it not giving me enough room for my fat fingers.

Luckily it seems like the plug furthest to the right is a dud, I guess that it is best practice to do all the plugs at the same time but i dont think i could manage all of them without turfing more parts out which if out of my comfort zone right now.

Will let you know how it goes once i have replaced the plug!
 

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Discussion Starter #9
After changing the faulty glow plug yesterday evening this morning i had chance to take the car for a spin to see if i could get the dpf clean started and clean the engine management light.

After taking it out for approx 30 miles the Engine management light is still on, when heading back into town from the motorway i noticed a electrical type noise in the background of the engine... Could that have been the cleaning system?

Also I haven't cleared the codes after changing the glow plug, could this prevent the dpf clean starting?
 

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Discussion Starter #10
This morning on my drive to work I noticed the engine was feeling a little rough, checked all the parts i stripped off but everything is back as it should be.

Still have the engine management light on
 
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