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Thread: Jaguar XF - Restricted Performance Error - Help!

  1. #1
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    Jaguar XF - Restricted Performance Error - Help!

    Hello
    I am having bad experience with my Jaguar XF 2.2 2011 model

    Mileage is 121560, I have been driving locally and only took it for a long run couple of times within last 2 years,
    Few months back i had a breakdown and car wouldn't start , i took it to a Local Mechanic as he said that he managed to turn it on with giving power to the battery but due to it has been driven with low Fuel and no long run, Fuel tank need to be cleaned so hopefully it wont happend again
    I dont know what he did but he said he have cleaned it with his own techniques without taking the tank out.

    Now i have started to get error on screen : Restricted Performance when i speed up little bit and it only comes sometimes and when i turn it off and on back again message goes away and works fine then even speeding up does not give me that error

    Someone suggested me since i have never taken this to a long run, put DPF Cleaner inside the fuel tank and take it to at least for 1 hour long run and that problem should go away.

    Please any expert can advise me what should i do ?

    I called authorised jaguar mechanic but they telling me it could be any issue with it and i could be ended up paying over £500 - £1000 depending on what the issue is. So i thought to come to this forum and ask for help / suggestion what should i do please.

    Thanks

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    The restricted performance could be caused by several things and hard to guess what is causing it. But, short runs and diesel engines are not a good combination. The DPF will gradually fill up and try to clean itself but only under certain conditions, so if it hasn't had a reasonable run it could be the cause, although there is usually a specific DPF message shown (as I understand it). The regeneration of the DPF can be achieved with a longish run or can be forced by a mechanic and a suitable device plugged in to the car. Adding a DPF cleaner and going for a drive is perhaps a good starting point but if this fails reading the codes from the car will give more information. You can buy a device to do this yourself or any decent garage will be able to do it - doesn't have to be Jaguar. You can then look at options to fix it. If the car has done 121k the DPF may be at the end of it's life as around 100k is a figure I have seen for their life, but short journeys often reduce this.

    If there was dirt in the tank and he cleaned the tank out, did he replace the fuel filter? This is a relatively cheap thing to do and could be the issue as the DPF warning isn't coming on. They are a thing that should be changed anyway so if it hasn't been done for a while it may be worth getting it done before spending too much money on other things. If you are confident you can do it yourself, or again, any good garage can do it and it shouldn't cost much in labour.

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    Senior Member idrobbo's Avatar
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    Take it to a good indy and get the codes read, company called SE Jags not too far from you, think the guy is Andy Spiteri. Never used but heard numerous good reports, and he does sometimes reply to issues raised on social media
    3.0D 2012 (62) XF-S Premium Luxury IRR
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    Previous: 3.0D 2009 (59) XF Luxury, 2002 (52) S Type 3.0 S

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    Hi, Thank you so much for taking your time to help me out

    You are right, as whoever i spoke with they said only to Diagnose it to find fault will cost over £100 if i can do that myself with a device then i might aswell do it myself and then talk to them with error code to find out how much it would cost, that will save alot of hassle and cost.

    Can you suggest me what device is it so i can buy it please.

    Also there is a service DPF Flush by Halfords , They charge £85 to clean it , if long run does not solve it , should i get this done first to esnure DPF is cleaned ?
    Thanks

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    Senior Member Phil F's Avatar
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    An often overlooked bit of service is the fuel filter. I had a similar problem last year . When accelerating hard it would go into limp mode and then stop ! Very alarming when pulling onto a motorway !! Left it a few seconds and it started and ran fine. Later I fitted a new fuel filter and checked the old one for date. It was the original filter. Problem sorted and continues to run fine . Forgot to add checked for error codes and nothing showing ?
    The secret of flight is to aim at the ground and miss !

    2013 Sportbrake 2.2 Sport. Italian Racing Red

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    I agree with Phil, if I was going to do something I would change the fuel filter first. You say the DPF warning isn't appearing so it probably isn't that and you could be wasting your money. I too have seen reports with the same problem and there is a YT video of a guy with same symptoms on a 3l Jag being caused by the fuel filter, so spending around £100 (filter is around £30-£40 + labour) to replace that is better than spending money on unecessary DPF cleaning, in my opinion. The code reader may not show a problem with the fuel filter, but as it is a serviceable part it is going to need changing at some point anyway. Presume you don't know when it was last done? A good code reader is more than £100 so unless you think you will use it a lot, you may be better asking a garage as they can interpret the codes into an actual problem.
    I think any decent garage would come to the same conclusion, that fuel filter may be best thing to swap first. You could read the codes but if they are charging £100 and they don't show anything you are £100 down - your call on that. Have you asked the garage recommended in an earlier post?

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    Hi

    Yes i have actually got this serviced when i had a breakdown and i just double checked with that garage and he said he changed the Fuel filter aswell when he serviced, Is there a way that i can check if it was changed like i mean it will be in good condition as only changed few months back.

    Checked with Millenium - Jaguar's expert, they said only to diagnose we will charge £120+vat to find error, If i can get the device to find error codes for around £100 then i might aswell get that and also use in the future just incase i find any other problem, What would you suggest please ?

    I will give a try with a long run over this weekend and will let you guys know how it goes.
    Thank you for help

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    The fuel filter is a canister about the size of a tin of beans - if new it will look clean if only recently changed.
    The person reading the codes doesn't need to be a Jaguar specialist - garages have code readers for all vehicles, so you may be able to get this done cheaper as £120 sounds expensive - maybe prices in that there London!
    A code reader such as the iCarSoft II seems to be popular but at around £150 not sure if this is the best option if you are going have others do the work. Sometimes a code can point to a certain area of trouble but not actually pinpoint the issue exactly. It is helpful if you are working on the car yourself if you are handy with the spanners and have the ability to take stuff to bits.
    Is the pace that fixed the car before the same Jag specialist? If not, ask them what they think as they fixed the original issue.

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    Senior Member Phil F's Avatar
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    Hi The fuel filter is easy to check on you car (2.2) It sits on the top left hand side of the engine ,Viewed fro the driver seat . Just pull off the engine cover and you will see it . There should be a date stamp on it but not sure where this will be but it should look relatively clean .
    The secret of flight is to aim at the ground and miss !

    2013 Sportbrake 2.2 Sport. Italian Racing Red

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    Senior Member Robinus's Avatar
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    Before I got an iCarsoft & SDD/IDS I only had a generic code reader. What I'd do is pop down a local garage & offer him a cash tenner to read the codes on their Autel (which is what a lot of garages use) & write the codes down. Just a thought.

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