BLU 9. My Jaguar XJ L 2.7D X358 Improving Fuel economy and performance.

[@chriscomparescars4416]

Never noticed how thick the seat is from that side profile!!! Comfy Jags! 😊

[@ToTheGarage]

All the weight they saved on the aluminium body was reintroduced in these seats🤣

[@jacobdzik6238]

@@ToTheGarage 🤣🤣🙏🏻

[@garytaylor8121]

I have owned a jag. XJ 350 2.7 TDVI Sovereign (06) for about 8yrs now. Best car I have ever owned ,gives good mileage ( 37mpg average)...0 to 60 in 7 secs. Its a show stopper, often see people looking into the car when out shopping. In the past I have owned an X type, and S Type...the XJ beats them both hands down

[@NicholasWarnertheFirst]

I gotta say those seats look extremely.comfortable.

[@dreyefixit]

I have a 2.7 TDVI Executive SWB here in Malaysia. Done the EGR and DPF delete (both physical and ECU remapping), myself, and initially had serious problems of triggering the restricted performance error and going into limp mode. Also car seems to have been slow on the the take off, before the turbo kicks in. Finally found out the problem: I was using two different online service to do the egr and dpf delete. Solved by sending the original ECU map to a SINGLE remapper for BOTH the EGR and DPF delete and stage 1 map upgrade. Happy days, no more restricted performance and the car is so much more perky. Second problem of car feeling sluggish off the blocks was due to me deciding to NOT remove the intake butterfly as instructed in the EGR delete kit. Without removing the butterfly, what essentially happens is the engine gets deprived of air (as the EGR system closes the butterfly at idle and low speeds, to create a vacuum to suck recycled air from the exhaust). If you do not remove the butterfly after your delete the EGR piping, basically the engine simply runs out of air until the butterfly opens at higher revs. Car now runs beautifully, and even with SDD, I have no fault codes. When the turbo comes in, definitely feel much more surge. Still getting 26-30 mpg mixed driving. And of course, no more worries of diesel engine oil dilution from too much incomplete DPF regenerations. And definitely less gunk will clog off your intake manifold (you wouldn't believe how thick the sludge is). One can only imagine where else the gunk goes after the intake manifold. Best to send to a professional to do the remap, but do both at the same time with the same remapper (or online remapper) to avoid scrambling and corrupting the map codes and getting into limp mode.

[@ToTheGarage]

Brilliant Intel Ainur. Thank you so much. I had not considered removing the butterfly at all🤔 Many thanks

[@jaromor8808]

You should definitely describe this on some of the Jaguar forums 🙏🏻 cheers

[@peteb3091]

I always have to have my 358 infotainment sceen to the Jag logo, just makes me feel better. 😜

[@ToTheGarage]

Respect👍

[@MrPenquite]

Yeah so do I!

[@tomfurie2996]

Wind noise could be coming from the mirror. You can test that by taping around the edges on the outside housing to see if it is any quieter. If so, black silicone to seal.

[@ToTheGarage]

Thanks Tom Furie. That’s a very good idea👍

[@pearsehall1049]

Very good video and very easy to understand I have a s type 2.7 and will be having a terraclean Monday. Keep up the good work 👍

[@hewyn1]

Hiya, I think it’s definitely a good idea to go for the remapping. As for the egr valve, I wonder if it is an MOT fail? We have a VW T5 Transporter and it’s something my garage always checks at MOT time (maybe it’s something that the T5 naughty boys do?). Anyway, great to know you’re still happy with Blu. I swear 2.7 XJs have gone up in value since you started doing videos on her... cheers John!

[@ToTheGarage]

You know what Nick, I think the 2.7's HAVE started to go up. I thought I would be hunting the least loved child. But started to panic while searching for the illusive 'cheap as chips' with lots of interesting but cheap fixes car.

[@hewyn1]

@@ToTheGarage Aha! It’s not just me deluding myself, phew! Thanks. I was speaking to a guy up here who does the “High Peaks Auto” channel (he flogs posh secondhand cars) and he thinks all posh used cars are in demand because no-one wants to commit to a loan for a new car, with all that depreciation, so there’s a “flight to quality.” Whatever, X358s are definitely quality. Looking forward to your 10,000 mile review. Cheers John!

[@dadmadforgot4050]

Cigar smoke in an old Jag fits well in my mind 😎

[@ToTheGarage]

😁

[@duncanlindsay5560]

I have a bad vibration that stays until you stop and drive off and accelerate slowly any ideas please

[@ToTheGarage]

Could be LOW OIL LEVEL In the gearbox trowing the torque converter off balance. Or! Loose wheel nuts Propshaft centre support bearing or guibo Possible but unlikely wheel bearings

[@duncanlindsay5560]

Thanks will get oil level checked

[@flyme195]

Used to have a 2006 X350 TDVi Sovereign. Amazing car. Replaced this with a 2012 Freelander 2 SD4 HSE. Seriously considering going back to the big cat but with the X358. Interested by your consideration of a remap. Was wondering, would the remap be able to factor in the new EU10 diesel that is now common. If I remember rightly, my old X350 was tuned to accept the 7% biodiesel fuel but this is now only available as a premium fuel with the 10% bio content now the norm. Would a remap take this into account?

[@ToTheGarage]

A remap can be made to accomodate and optimise for any fuel type. Its one of thhe reasons that they are so effective. The standard map has to be able to work with any commmon variants of fuel that may be used as our cruisers cross continents. Im more interested in it giving its best at sea level in Blighty

[@billnicholas1381]

Very interesting advice and reviews.

[@ToTheGarage]

Thank you

[@philipmcnulty4140]

Another excellent video John - just one comment on the proposed changes - will they bring on the dreaded engine light on? I have a 99 XK8 plus a 2004 Stype with the same Diesel engine and know how sensitive these cars are to modifications. Btw, love both of these cars!!

[@ToTheGarage]

Hi Philip. Glad you are enjoying the shows and the cars (I was verclose to purchasing an Stype R in March but Covid put paid to that deal. As long as the mods are done in conjunction with an ECU remap by someone who knows what they are doing and can toggle various sensors so they dont get confused by the mods then No. Still not decided if i will do both mods but the Remap is a certainty for me as I had the same guy remap my X351 and it was amazing and threw up no codes.

[@NicholasWarnertheFirst]

I still think this is the best Jag they ever built (that I can afford)

[@DaleSteel]

Correct. Later model x type estates in 2.2d auto form are also a hidden gem

[@ibramguirguis]

I've remapped my car, the gain isn't much, i don't notice the fuel consumption difference, if i would really want power , i would tune it with smaller turbo and change the crankshaft to the 3L then reprogram.

[@ToTheGarage]

I have done two previous remaps on the 3.0D engine (non S models) and and had VERY obvious gains. Remaps have both been by Viesu

[@German_engines]

Nice video, I have been thinking about moving to an XJ soon from a long ownership of BMW, is it worth it ? Will I regret? I’m thinking of getting a 2008-2009 model I like the sporty looking with the side vents. Also what’s your view on the newer shape ? I mean 2010 onwards. Interesting video thank you for sharing.

[@ToTheGarage]

I have owned the X351 also (2010 onwards) I think it loses its link with previous jags in terms of exterior looks. but its a handsome beast with one of the best interiors of any car regardless of cost. Under the skin it has many refinements but essentially its the same a the X358. So the later car is technically better. The looks are very personal. I love both. The value for money race is easily won by a good X358

[@billnicholas1381]

On my 08 xj the sunroof has wind buffeting as low as 35 mph with the shade pushed back. Is there an adjustment to pull down the glass tighter on the seal? The seal is like new.

[@forresg500]

Is there any potential major issue with the 2.7 tdvi of this era of jag What is average yearly specialist service cost of this era?

[@ViolentTacticsNP]

These have DPF filters?. Never thought they did at that age!

[@ToTheGarage]

Yup. part number. C2C36174 INCREDIBLY CLEAN ENGINE FOR ITS AGE

[@matthewwhines8251]

Can you tell me what rpm the car runs at doing 70mph I am looking to getting a jag xj in the new year. Your videos are extremely interesting please more content on the x358.

[@Dave-in-France]

From memory I think it's about 1800 rpm. assuming you are asking about this generation of XJ diesel (2004? to 2009).

[@peteb3091]

Mine is 1900(+50/-50)rpm

[@ToTheGarage]

A little over 1800 Rpm for blue

[@bonhoff67]

What a lovely quiet car that is 👍

[@ToTheGarage]

Cheers Mark. I have never owned a double glazed car before👍

[@bonhoff67]

@@ToTheGarage somebody sent me your video on warped discs, as I've put 2 sets on mine within 2 years and it's been there pretty much straight away since new set been on. Decided to subscribe, as I like the way you explain things 👍

[@alanmilton8056]

Interesting format, somewhat a la cinema verite with the night shots. By the way what "tear" (sic) are you under in Lincolnshire which allows such travel ?? Was that a TTG face mask, send my % to the usual account thanks, or, I could supply from down here as there must be a surplus sitting on the shelves. The seat profile certainly looks like a comfy armchair for long distances. Totally agree re the EGR, more trouble than they are worth & deleted ours in a TD5, smart idea to pair with an ECU upgrade, although we never encountered any 3 amigos with our Disco afterwards. The NOX, or should be NO2 for Nitrogen Oxide, is fast becoming outdated with modern diesels. Of course it smells of cigar smoke, surely you would not expect Wills Woodbines !!, the activated charcoal should help but you could also leave a bowl of bicarb powder in it overnight. Terraclean, sounds interesting although too many dodgy operators here so will stick to my injector additive rather like the old upper cylinder Redex shots habit I got into in the UK, you may be old enough to remember ? Keep safe

[@ToTheGarage]

Hi Mate a) Tier 3 as of 2 weeks ago. HOWEVER Believe it or not I have a letter from the CEO of a very large company indicating I am to be treated as an essential worker for the purposes of travel within the UK as production at their UK sites will be compromised without my support. (Very proud to be helping out the country at this unusual time) b) No my brand has not reached the masks yet😁 c) So comfy! d) Yes I don't think I will do the EGR without a remap but may do a remap without deleting the EGR? Im still undecided on the EGR. I want to do it and I think it will be very beneficial plus the Lion engine is a clean diesel without it. Its just a moral matter for me to wrestle with I think. e) I will try the Bicarb👍 f) I do remember the redeem shots. Thanks for watching. Stay safe buddy👍

[@DavidSmith1307]

EGR is not about re-burning the gas. A diesel engine at low RPM has a very high oxygen to fuel ratio (RPM in a diesel is controlled by fuel quantity) which causes a very hot burn. This increased heat leads to the generation of NOx. Adding exhaust gas via the EGR at low revs reduces the amount of burnable oxygen in the combustion chamber (the O2 is already burnt) and thus lowers the combustion temperature so less NOx.

[@ToTheGarage]

Good explanation David👍. Thank you.

[@ibramguirguis]

I have the same car as yours, but everyone is saying auuuw it's famous for not a good engine. What do you think about this and why are they saying that? I almost started to dislike it and became very nervous about any road noise. Thanks

[@ToTheGarage]

People dont like Diesel EGR systems or DPF systems as they can (and sometimes do) block up. Neither of these are issues in the previous jag engines as this was the first jag diesel. The Lion and particularly the 3.0 D that followed it are Brilliant Engines to drive, and actually reliable compared to many petrol engines. The only genuine gripe is that access, even by the standards of the V8's is poor. Its a really densely packed into that engine bay.

[@ibramguirguis]

@@ToTheGarage thanks so much for the time you take to write me man. Got it now, i don't care really as i drive shortest distance is a 1000k at once :) german Autobahn so I'm good.

[@carlplz00001]

Hi, what glow plugs would you recommend for blue 🚙? The genuine Jag (maybe NGK), Delphi or another brand?, and EGR valves?, thanks.

[@ToTheGarage]

Hi Carl. Not done mine yet but would probably go for Bosh followed by NGK just based on my own brand loyalties and experience of value for money on other items.

[@carlplz00001]

To The Garage I went for the Jag Genuine (I always try to go for it), but I was checking if by experience there was something better, thanks

[@ibramguirguis]

Do you know where are they? Can't locate them 🙈

[@stun9771]

Question...if you ‘delete’ the EGR...will the car pass the MoT Emissions Test...?

[@ToTheGarage]

yes, they don't measure nox which is what it reduces a little of.

[@DaleSteel]

It's a shame they didn't put the transit 2.2d from the x type in the xj. Xj weights about same as x type so would be powerful enough. That 2.2d ford unit is a commercial engine and its one of the best diesel engines ever made. Don't even need to change the timing chain either they are so heavy duty. I'm running a 09 x type estate same colour as your xj with auto box. 130k miles on her and runs so sweet. Not a drop of smoke

[@SBT300]

That would give an XJ sounding like a tractor, I don't know...

[@DaleSteel]

@@SBT300 that's abit harsh

[@westcoast747]

Can you run this on Mondeo money? Or do you need deeper pockets?

[@ToTheGarage]

When all is well definitely. If you can whirl your own spanners then most of the time. Parts prices are higher but with. specific exceptions not fantastically so. Parts availability can cause some issues as many are like mine, now 25 years old. If you have someone else deal with. service. and repair then prices can start to mount. up. as specialist and Jag main dealer prices will be higher than Ford. I would rather pay to keep an old Jag on the road. than a BMW or Mercedes of the same age

[@vincenthooper8467]

Hi I'm thinking of buying a Jag s type 2.7 tdvi, but I've only got a£1000 I've seen one for sale with 80000 miles I'm not a mechanic but I have an idea what to look for in the car do you have any advice for me please?

[@ToTheGarage]

At that price. Corrosion on rear suspension arms can cause a collapse. Check that there are no EGR DPF Oxygen level or flow rate related codes when you put a code reader on it. If so, the risk of a bad turbo, catalytic converter or blocked rebreather system is just too high on a car where any repairs would be more costly than the price of the car. Assuming auto. Check that there is no sign of slip in the transmission or loud clonks when engaging drive. On the plus side. They are essentially a good car with a good engine.🤞

[@vincenthooper8467]

@ToTheGarage thanks for your response, I don't have a reader, should I get the RAC to do a once over for me?

[@carlplz00001]

Have you experienced a low coolant level error on the dash, if so, how did you get rid of it (after adding the fluid), thanks.

[@ToTheGarage]

It should disappear as soon as you have refilled and restarted the car! a) maybe the level is still low (air locks) B maybe the level sensor has failed?

[@carlplz00001]

@@ToTheGarage thanks for the answer, the level is high and the sensor is new.

[@ibramguirguis]

@@carlplz00001 hi i had this problem and there is 2 solutions 1- air in the system, solution is drive on a higher ground where the front is higher than the rear car and open the radiator cap and leave it till hot. 2- if you have any other malfunction such as airbags or cruise control etc it's more likely to show up for some reason 3- cheap new sensor doesn't work I had this problem but it shows up in the winter :/

[@davidwright7923]

I’ve had several cars remapped never lmproved consumption but definitely performance so don’t expect better mpg ,don’t forget to tell your insurance check first it might be surprisingly more expensive some companies even refuse to insure!

[@ToTheGarage]

If you use the extra power then you save nothing, thats certainly true. Yes always inform your insurance company👍 Last time (XF 3.0D) it cost me £23 extra per year.

[@johnkillick6061]

Coningsby , is about 10 miles from me Boston 😁🇬🇧

[@ToTheGarage]

Finest county in the country John👍 Quick hide! I can feel the counter comments being typed right now🤣.

[@richardwroblewski1202]

Just had my 2004 petrol tank straps replaced rust is a common problem.

[@ToTheGarage]

Thanks Richard. Mine do look pretty crusty

[@Therighteousone522]

I thought it was illegal to delete the egr?

[@ToTheGarage]

Lets call it a grey area. Test centres are not equipped to check the EGR is working. so as long as the device is physically present, Its just broken🤔

[@Therighteousone522]

So do you have to replace for the mot? I would like to remove it on my volvo

[@terryc8164]

So that's what an EGR valve does, deleting it sounds worth trying to me John, one less bit to go wrong, plus you can always re-install later if you change your mind.

[@ToTheGarage]

Thanks Terry

[@larrysimon1]

IMHO terrorclean is a waste of money. My top economy tips for your car. Only use Shell, BP or Texaco Diesel Fuel ONLY. You are better adding a fuel additive Cleaner Cetane improver. Any 2 EHN cetane additive will increase clean burn and improve performance. Fit new Low rolling resistance tyres, change Oil and filter for quality products, Fit K & N Air filter....................Remaps are for Mugs .......how can Fred in a shed write a better ECU map than Jaguar ??????????????

[@ToTheGarage]

Hi Larry Thanks for the tips.👍 And you are right. I don't think 'Fred'😁 can write a better map than Jag. But he can write one tailored to UK spec fuel. a narrower temperature and altitude range than Jag has to, and if I ask him nicely, he can educe some of Jags carefully calculated risk reduction factors that are very important on an £80,000 warrantied car. They are less critical to me and my £3000 car. Id never recommend any else remap a car that they still hope to bye able to complain about to the manufacturer. I will look into the low rolling resistance tyres once I have run down these low quality but almost new ones though 👍. again top tip. Thanks for watching John

[@larrysimon1]

@@ToTheGarage Your totally wasting your money and time on a Map or tuning box, these remappers know just enough to be credible UK temp and altitude adjustments ............REALLY ???? thats just a big steaming pile of BS. Any parameters built into fuelling maps by Jaguar are THEIR FOR A REASON !!!!!!!!!!!!!!!! If you want to improve your jag stick to what I advised you. Otherwise the very weak 2.7 Di engine bottom end will detonate its Big Ends. If you want 100% reliable proven advice PM me. Ps UK Diesel Fuel EN590 is the best you can buy.........work on improving its Cetane Number with 2 EHN.

[@larrysimon1]

@@Dave-in-France So Fredrico in his shed can write a better map than Jaguar ?????? pray tell how Freddie manages to extract better low end torque ? Smoother running ? and Better MPG ? ........................I so want to hear how they technically can achieve these miracles ????

[@larrysimon1]

@@Dave-in-France O I do .....................otherwise its just a con trick designed to mug people off, I've listened for years to these Clowns who do re maps and claim miracle improvements to cars performance. When you actually analyse what they have changed on an ECU map its total GARBAGE and really amounts to over fueling and adjusting the timing of the engine. So come on dazzle me with your Technical brilliance on how you can make these improvements that Jaguar couldn't ???????????

[@matthewhickman9220]

Hi Larry thanks for your post im currently driving a 1.9 Skoda diesel with the VAG unit would your advice also relate to that ? I am seriously considering purchasing either an S type or XJ Jag 2.7 diesel re the Cetine product you mention are you able to recommend a product? Thanks regards Matt ...

[@johncattell5709]

I’ve got a petrol 3 litre but still found it interesting 👍

[@ToTheGarage]

Nice one! be good to compare running costs and performance some time👍

[@tomfurie2996]

An hour or two with an ozone machine should eliminate any odors.

[@AndyK.1]

He’s very proud that’s it’s a LWB 😂

[@davidmoreland8070]

So he should be. Comfy!

[@AndyK.1]

David Moreland He certainly looks comfy in that massive seat 😂

[@davidmoreland8070]

@@AndyK.1 Very. I’m already looking for one on eBay.

[@AndyK.1]

David Moreland Don’t get a diesel ! 😳

[@davidmoreland8070]

@@AndyK.1 oh no. Would have to be s/c V8. Great engine, love my XK8

[@Dave-in-France]

Hi John, that terraclean sounds like it's done a good job on the engine and for a very reasonable price, so I imagine that will a good remap and maybe an EGR-delete you would be good for over 50 mpg on long runs, plus a much cleaner runner. EGR systems are the bane of my life to be honest. I've had maybe 15-ish diesel Discoverys over a 20 yr period and all of them benefitted from an EGR delete; smoother tickover, snappier throttle response, cleaner inlet manifolds and curiously cleaner exhausts. EGR system are just rubbish engineering.

[@ToTheGarage]

Well thats a strong vote for the delete then👍

[@bosshogg55]

You already know the answer for and against EGR delete and DPF delete. You’re just playing..

[@bosshogg55]

Diesel don’t need nothing but fuel, any fuel. Any oil based fuel, nut oil, veg oil even lard. It just needs a good fuel pump!

[@ToTheGarage]

That is both correct and made me laugh Paul. 2 points to you👍