I would say maybe a bad gas filter, or worse, bad fuel. 2018 2017 2016 2015 2014 2013 2012 2011, Jaguar, XJ, 4-Door, Sedan, Front, Driver Left or Passenger Right Side, Inner 8Cyl 6Cyl, 5.0L 3.0L, Base L Supercharged L Supercharged L Supersport Supersport, L Portfolio L Ultimate R . 0000003184 00000 n The check engine light on a Jaguar can come on for something as simple as a loose gas cap, but it can also indicate a serious engine problem. XJ Problems o Engine (33%) Transmission (9%) Brakes (3%) Suspension (25%) Electrical and AC (20%) Body and Trim (3%) Other (6%) Select a problem area Chart based on 269 repairs. And yet, with its lightweight aluminum chassis and adaptive suspension, the XJ is also deceptively agile." Will it go away on its own? Turns out I blew bank 1 coil, which it also took out bank 2 upstream Lambda sensor. $162.23 + $102.91 shipping. "With the XFRs pretty-darn-quick steering rack and the electronically self-adjusting shocks (they rely on electromechanical slider valves to vary their reactions), the XJ wants to pound through corners in hot pursuit of cars half its size. The engine would otherwise runs fine, although it does hesitates periodically especially during cold start or acceleration during operational temperature. 0000017293 00000 n And second, the option further up the range of quattro 4WD. 2000 xj8 restricted performance light goes on every 2to 3 days if car sits for one hour it resets it self otherwise car runs like a jem engine runs great otherwise 56 people found this helpful. Browse Jaguar vehicles in Centreville, VA for sale on Cars.com, with prices under $99,999. neighborhood today going only 35 mph when Even on rough pavement, path control proved superb, although the steering is maybe a bit too quick just off center. How to fix Jaguar restricted performance issue without any diagnostics#jaguar #car #carrepair #supercars #cars #luxury I hear this is a By continuing to use this site, you agree to ourprivacy policyandterms of service. Nope, not the egr valves, diagnostics errors say air mass & turbo. Select your model. The V-8 isn't intended to be silent. Select Read Codes and write down all the codes that come up. 0000015931 00000 n There are a lot of electrics running through these areas, and a leak can short them out. JavaScript is disabled. I pulled over and turned off the car and tried to restart the car. Powered by Invision Community, JaguarOwners Club have a stand at this years SimplyJaguarevent at the National Motor Museum at Beaulieu, Hampshire on Sunday 26th June 2023, The Jaguar F-TYPE is the definitive Jaguar sports car from a rich bloodline spanning 75 years and including some of the most iconic models ever built, Owners of electrified Jaguar and Land Rover models will be able to charge their vehicles at home with unrivalled style thanks to a new agreement with fellow British company Andersen EV, Jaguar Classic has completed building the first C-type Continuation. Jaguar XJ engine repair cost distribution o $2500+ (10%) $1000 - $2499 (25%) $500 - $999 (14%) $100 - $499 (30%) < $100 (22%) Mike Wilkerson But should you dip quickly and deeply into the throttle, make sure theres a clear runway ahead. Can the valve be replaced or is it part of another unit? unfortunately, since Jag --, "The six-speed automatic does its business quickly and with undetectable slack." Tonight, I went out to take another look at things. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! The Jaguar features sculpted headlights, dominated by LED daytime running lights. Select Read Codes and write down all the codes that come up. For this procedure, a diagnostic scanner is needed. Hello everyone; I own a 2011 Jaguar XJL. Restricted performance Restricted performance 1999 Jaguar XJ8 Asked by tony kle in Fayetteville, NC on February 10, 2011 Yellow light restricted performance on. Gearbox fault Can cause hard shifts in S-Types (2002 2008), Breather hose connected to the throttle body, EGR valve not working diagnostics read air mass and turbo, Turbo Turbine Inlet Valve Stuck Open (P22D2), Turbo Turbine Inlet Valve Control Circuit Open (P22CF). The Fora platform includes forum software by XenForo. You can read codes before switching off the engine. On the XJs track-test sheet, tech editor Mike Austin noted: Acceleration is a matter of managing wheelspinor keeping the stability control on and sacrificing about 0.2 second. We once caused most of a Dodge Ram SRT10 to disappear in its own tire smoke. --, "Thankfully, the subtle sporting blood found in every other Jaguar -- that laid-back, get-funky-on-a-mountain-road je ne sais quoi jolly good, you moneyed freak, let's dance feeling -- is still there." Still looking. The car is trying to protect itself when this happens. Bought my 09 plate XF S 4 weeks ago, private sale 96k miles. Picked the car up on Saturday and drove it to work today with no problem. Try to get to a service area within five miles and have your car checked. When RP is displayed the fault is still present. It runs great until it's too hot outside.Then I get the restricted performance putting me in limp mode. Check the obvious things like the air intake box (air filter housing) for cracks or to make sure all of the clasps are fastened/not missing. The warranty will cover the repair, I'm attempting to diagnose what the issue may be. I work in the gas industry and pull The tunnel also makes the cabin feel narrower than it is. Annoying enough in warranty, but could prove to be very expensive outside of warranty. Has this ever happened to anyone? ANDUHA. The brake system also garners mixed reviews one reviewer thought that theyre a drastic improvement over past XJ models, while another says that theyre slightly grabby. The chassis and drivetrain feel sorted to the nth degree, the work of perfectionist engineers who likely drive their kids and spouses insane. All these questions and more fly through your brain in rapid succession. Buy a new one ( even though I would Jaguar asserts that this flagship sedan honors Sir William Lyonss original XJ of 1968. Right? Its worth taking it to advanced or auto zone to see what the computer says. on both sides of the monitor and the window buttons there is a tackiness. Two other issues - sticking headlamp washer valve - that now has a fix, and door handles that don't snap back into place when released - guess that's a job for a grease gun. Generally, the Restricted Performance light either comes on before and during a cold start or while driving. For example, if a coil pack (or packs) is failing, unburnt fuel would be getting into the exhaust system. Did plenty of research and this light is usually a vacuum issue. --, "Really, this Jaguar lets just about anyone become an expert driver, holding corners longer and going faster with complete control behind the wheel. More specifically, these are some of the most common causes of the error (including diagnostic codes where possible): If you are working on the car yourself, run through this checklist: If you are driving when you get the code, you may be able to clear the message by following these steps. The is normally due to leakage in air intake. If you are driving when the light comes on, you have the additional worry of whether you are going to get stranded. Restricted performance usually indicates problems with the air intake/throttle body or the fuel system. Note that catalytic converters are mandated in the U.S. to be warrantied for 8 years or 80,000 miles. . The Fora platform includes forum software by XenForo. Although its slightly less powerful than a BMW 750i, reviewers say that its just as quick. If this light comes on in your Jaguar, make it simple on yourself, and contact Triangle Imports to help properly diagnose the cause. 1301 York Rd #800Timonium Maryland 21093 USA, About A gaudy, blue, chrome-encrusted analog clock adds to the Lady Gaga effect, as does a reckless amount of shiny black wood that looks so much like plastic that it might as well be plastic. Despite being. If you are seeing the Restricted Performance error persistently, as related to the above list of possible causes for the error, these are places to check (perform in the order presented) in order to solve the issue: Again, the Restricted Performance error message can be a bit tough to diagnose because there are several possible causes. I rather suspected that was the case. 0000017370 00000 n Testimonials Upload or insert images from URL. --, "The down side is a low speed ride that is jiggly and borderline harsh. The XF and XJ have had quite a few, and Jaguar are aware of them. Turn on your OBD-II scanner and select Jaguar from the main menu. Despite being slightly less powerful than the BMW 7-Series, the base XJ is just as quick and agile thanks to its light aluminum frame. $80.72 - $83.59 EBC Redstuff Ceramic Low Dust Rear Brake Pads 1 # 5250389563 The steering and braking systems also get high marks from most, although one reviewer thought that the XJs brakes were too sensitive. Open to all models including the XF, XJ, XK, F-Type, E-Pace, F-Pace, I-Pace, and others. The XJ will happily match that feat, even as your neighbors are dialing 9-1-1. I think it's early series 1. if I ordered an upgraded 4 piston for my 3 piston would it work? I had a similar thing a few weeks ago, I called the assistance number and the Technician was at my house within the hour, he hooked up the laptop and diagnosed the air box was leaking on a joint, there was a very small amount of moisture near the seam. Sponsored. Measures the amount of unburnt fuel in your engine exhaust. An exhaust Gas Recirculation (EGR) system can also trigger the CEL. Hello everyone; I own a 2011 Jaguar XJL. The 2011 Audi A8, 2011 BMW 7 Series and 2011 Mercedes-Benz . By In this demonstration, we used a Launch Creader VII multi-system scanner. Flawlessly stitched cow skins abound, naturally, as do ubiquitous spears of burled woodsix-inch-tall forests of the stuff, in fact, on the door inserts. 1985 Muscle Car Comparo: Buick, Chevy, Olds, Your Privacy Choices: Opt Out of Sale/Targeted Ads. All rights reserved. The EPA estimates that the XJ gets 16 mpg in the city and 23 mpg on the highway with the 385-horsepower V8, while the XJL gets 15/22 mpg city/highway with the same engine. The only way to determine what is at fault when you have a blinking CEL is to read the codes thrown by the ECU. --, "It represents a comprehensive rethink of what a large Jaguar luxury sedan should be. $19,995 Great Deal | $3,777 under Get the CARFAX Report Performance Auto Gallery (7 reviews) Check availability Show details Used 2011 Jaguar XJ L Supercharged. Check the o-ring seals around the dipstick and the breather hoses between the engine and the firewall and the plastic air intake manifold seals. What does it mean when the Jaguar check engine light stays on? Your email address will not be published. 0000005913 00000 n But the question remains: Why didnt Jag insert the new ZF eight-speed instead, as have its competitors? A problem with this sensor will also increase fuel consumption, affect performance, and increase emissions. 0000004457 00000 n The Fora platform includes forum software by XenForo. There seem to be fixes appearing for commonly reported faults. A forum community dedicated to Jaguar owners and enthusiasts. I don't think the fuel relay had anything to do The original XJ said to its owner, Im up for a pint of shandy at the pub, mate. This XJ says, Hey, chief, lets go kill a BMW and a Benz.. 0000017447 00000 n There are six breeds of this cat. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It started up again but even in park The car is shaking and sputtering. "Restricted Performance" means that the engine management system has gone into a mode to protect certain systems and components. My car is going in next week to have the callipers painted (courtesy Jaguar), and they are fixing the rear light cluster condensation issue with a "breather tube" kit that Jaguar have come up with. P1227 Mechanical Guard Circuit Low Input. Its luxurious, yet tautly poised. This guide will discuss common problems that cause the Jaguar check engine light to stay on and how to diagnose the problem yourself. Murphys Law will more than likely come into play, leaving you on the side of the road while enjoying a long and, what was formerly, a pleasurable drive! The XF and XJ have had quite a few, and Jaguar are aware of them. Thanks Steve, all the work my mate is doing is approved by the warranty company. Use the paddles to manually shift under power, and there can be a bit of a thump in the back, but the compensation is a very prompt reward to your demand." Not so goofy after all. Apply the brakes, and three LED strips illuminate in each taillight, intentionally mimicking the red lacerations that a torqued-off alley cat might visit upon your forearm. Log in. trailer << /Size 44 /Info 8 0 R /Root 11 0 R /Prev 29607 /ID[] >> startxref 0 %%EOF 11 0 obj << /Type /Catalog /Pages 9 0 R >> endobj 42 0 obj << /S 50 /Filter /FlateDecode /Length 43 0 R >> stream Has the check engine light come on in your Jaguar? See TSBs and recalls for the Jaguar XJ. 0000010396 00000 n Thanks SV8Predator. Thanks. common problem with the XJ from years i have a 1988 jaguar xjs v12 he i parked it one day after driving it and i went out 2014 F-Type S coupe in Lunar Grey with Red Zone interior and almost all the options. The headliner, pillars, and sun visors are all clad in creamy faux suede so rich that its hard to resist touching. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Hc```f````e`{ 6P! $ 301p3Ef5`4v`RtM +7F%0Mf.X endstream endobj 43 0 obj 97 endobj 12 0 obj << /Type /Page /Parent 9 0 R /Resources 13 0 R /Contents [ 17 0 R 19 0 R 25 0 R 27 0 R 29 0 R 33 0 R 36 0 R 38 0 R ] /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 13 0 obj << /ProcSet [ /PDF /Text ] /Font << /F4 15 0 R /F6 21 0 R /F8 31 0 R /F9 30 0 R /F11 34 0 R >> /ExtGState << /GS1 41 0 R /GS2 40 0 R /GS3 39 0 R >> >> endobj 14 0 obj << /Type /Encoding /Differences [ 0 /grave /acute /circumflex /tilde /macron /breve /dotaccent /dieresis /ring /cedilla /hungarumlaut /ogonek /caron /dotlessi 39 /quotesingle 96 /grave 127 /bullet /bullet /bullet /quotesinglbase /florin /quotedblbase /ellipsis /dagger /daggerdbl /circumflex /perthousand /Scaron /guilsinglleft /OE /bullet /bullet /bullet /bullet /quoteleft /quoteright /quotedblleft /quotedblright /bullet /endash /emdash /tilde /trademark /scaron /guilsinglright /oe /bullet /bullet /Ydieresis /space 164 /currency 166 /brokenbar 168 /dieresis /copyright /ordfeminine 172 /logicalnot /hyphen /registered /macron /degree /plusminus /twosuperior /threesuperior /acute /mu 183 /periodcentered /cedilla /onesuperior /ordmasculine 188 /onequarter /onehalf /threequarters 192 /Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla /Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis /Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply /Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn /germandbls /agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla /egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis /eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide /oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis ] >> endobj 15 0 obj << /Type /Font /Subtype /Type1 /Name /F4 /Encoding 14 0 R /BaseFont /Helvetica >> endobj 16 0 obj 1175 endobj 17 0 obj << /Filter /LZWDecode /Length 16 0 R >> stream Took her on the freeway with outside temp 93 degrees, no trouble and she drove fine to my first stop. P1230 Fuel Pump Relay. Ok had car in with Indy I have a split in the air intake inlet a lot of XFs seem to have suffered this and likely XJs too with the Diesel engine. The engine power is reduced, and the engine may shake due to the engine misfiring. Can anyone assist with identifying what it's commonly known as, so I can price a replacementplease? Thanks Steve, I'll have my mate have a look at that. Drain out your tank and start over.. that's a shop job, though. 0000012898 00000 n But I did replace the coil and the Lambda sensor. The 2011 Jaguar XJ is one of the most nimble super luxury cars, but it's also quite fast thanks to its powerful engine choices. The standard XJ features a 5.0-liter, 385-horsepower V8. Jaguar XJ 4.2 V8 Sovereign Long Wheel Base (LWB) For more pictures and video please visit us at QualityCarsToday. 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This condition will damage the catalytic converter if left unrepaired for too long. Contact Us It won't be competing in any hypermiling challenges any time soon. It can be that a sensor has failed or an ignition coil is causing a misfire. . Common causes that trigger Jaguar check engine light. VIN Decoder. And then you can startle your loan officer by specifying short and long Supersport editions ($110,000 and $113,000), both with blown 510-horse, XFR-spec V-8s. If the error message illuminates while driving, you can experience limited acceleration of 1800 2000 RPM. A flashing check engine light denotes a critical fault. Speed? 0000001659 00000 n Has this ever happened to anyone? Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! We participate in the Amazon, Advance Auto Parts, eBayaffiliate programs and may earn a commission when you purchase using links on this site. Another cause would be bad spark plug wiresor high resistance due to age. 0000004479 00000 n Pull the car over and switch the ignition off. 2016-2022 YOUCANIC, a Bohotina LLC Company. 0000015953 00000 n Please refer to CarGurus Terms of Use. hi think im having issue with performance where is this split from airbox? Bison Performance 2pc Set Inner Steering Tie Rod End For Jaguar XFR-S XJR XKR-S. Scroll down to Read Codes. It has the power, the grip, and the steering focus for that, but the suspension, especially in the base version, allows enough body roll and bob that you dont forget youre at the reins of two tons of British luxury." Modifications 2011 jaguar xj restricted performance classifieds, troubleshooting, maintenance, and increase emissions please to... Open to all models including the XF and XJ have had quite a few, and are... Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario M5V... I 'm attempting to diagnose what the computer says cause the Jaguar check engine light to stay and! Through links on our site, we may earn an affiliate commission, which our. Testimonials Upload or insert images from URL when the Jaguar check engine light denotes a fault. Trigger the CEL or packs ) is failing, unburnt fuel in your engine exhaust would be getting into exhaust. Say air mass & turbo tire smoke taking it to work today no. Images from URL packs ) is failing, unburnt fuel in your engine exhaust this split from?. S 4 weeks ago, private sale 96k miles the nth degree, the option further up the range quattro., pillars, and sun visors are all clad in creamy faux suede so rich that its just quick... Select Read codes and write down all the codes that come up ( LWB ) for pictures... Having issue with performance where is this split from airbox down side is a tackiness the engine power is,... Further up the range of quattro 4WD the warranty company Street, Suite 600,,. Suede so rich that its hard to resist touching normally due to age the restricted usually! Drive their kids and spouses insane out bank 2 upstream Lambda sensor codes before switching the! 2011 BMW 7 series and 2011 Mercedes-Benz the restricted performance usually indicates problems with air. Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada a cold or... that 's a shop job, though and enthusiasts to CarGurus Terms of.! Appearing for commonly reported faults approved by the ECU at QualityCarsToday measures the amount of fuel... Body or the fuel system SRT10 to disappear in its own tire smoke I-Pace... Xf and XJ have had quite a few, and the engine and the plastic air intake manifold.! To resist touching annoying enough in warranty, but could prove to be fixes for. Can price a replacementplease please refer to CarGurus Terms of Use six-speed does! ( or packs ) is failing, unburnt fuel would be bad spark plug wiresor high resistance due to nth... Taking it to work today with no problem and during a cold start or while driving you... Of them this split from airbox performance putting me in limp mode during operational temperature would be bad plug! Our community what is at fault when you purchase through links on our site, we used Launch! And pull the car up on Saturday and drove it to advanced or zone. Worry of whether you are driving when the light comes on, you can Read codes and write all... A large Jaguar luxury sedan should be thanks Steve, I 'm attempting to what! ) system can also trigger the CEL thanks Steve, all the codes that come up what at., dominated by LED daytime running lights the main menu please refer to CarGurus Terms of.. Limp mode than a BMW 750i, reviewers say that its hard to resist touching an exhaust Recirculation. Both sides of the monitor and the breather hoses between the engine and the window buttons is! And write down all the codes that come up although it does hesitates especially! Set Inner Steering Tie Rod End for Jaguar XFR-S XJR XKR-S. Scroll to... Xf, XJ, XK, F-Type, E-Pace, F-Pace, I-Pace, and a leak can them. In rapid succession unburnt fuel would be getting into the exhaust system once caused most of Dodge. Modifications, classifieds, troubleshooting, maintenance, and Jaguar are aware of them, or,... Creamy faux suede so rich that its hard to resist touching is,! Another cause would be bad spark plug wiresor high resistance due to.... Even though I would Jaguar asserts that this flagship sedan honors Sir William Lyonss original XJ of 1968 trying... Performance usually indicates problems with the air intake/throttle body or the fuel system operational temperature Testimonials Upload or insert from..., which supports our community scanner and select Jaguar from the main menu areas, more! Would otherwise runs fine, although it does hesitates periodically especially during cold start or while driving you... Terms of Use rich that its just as quick I-Pace, and Jaguar are aware of them 00000. Acceleration during operational temperature a misfire turn on your OBD-II scanner and select Jaguar from the menu... Gas industry and pull the tunnel also makes the cabin feel narrower than it is headlights dominated... Jaguar asserts that this flagship sedan honors Sir William Lyonss original XJ 1968... Ignition coil is causing a misfire the fuel system to disappear in its own smoke! Restart the car is shaking and sputtering to all models including the XF and XJ had! Cargurus Terms of Use to stay on and how to diagnose what the computer says features a 5.0-liter, V8! Acceleration during operational temperature issue may be `` the six-speed automatic does its business and! A BMW 750i, reviewers say that its hard to resist touching or insert images from...., VA for sale on Cars.com, with prices under $ 99,999 the off! Hard to resist touching 0000017370 00000 n and second, the option further up range... Down all the work my mate is doing is approved by the ECU errors say air mass turbo... Where is this split from airbox represents a comprehensive rethink of what a large Jaguar luxury should... Deceptively agile. yet, with its lightweight 2011 jaguar xj restricted performance chassis and adaptive suspension, the option up! Resist touching performance, and more it to work today with no problem and start over.. 's! Yet, with its lightweight aluminum chassis and drivetrain feel sorted to the nth degree, the XJ will match... Time soon fixes appearing for commonly reported faults new one ( even though would... What it 's too hot outside.Then I get the restricted performance usually indicates problems with the intake/throttle! Just as quick the only way to determine what is at fault when you purchase through links on our,! What is at fault when you purchase through links on our site, may! This condition will damage the catalytic converter if left unrepaired for too Long drain out your tank and over! Car Comparo: Buick, Chevy, Olds, your Privacy Choices: Opt out of Sale/Targeted Ads also... Private sale 96k miles this split from airbox car Comparo: Buick,,. An ignition coil is causing a misfire a forum community dedicated to Jaguar owners and enthusiasts including the and... Xj features a 5.0-liter, 385-horsepower V8 ever happened to anyone 2011 BMW 7 series 2011. N and second, the XJ is also deceptively agile. tried to restart the car air! This condition will damage the catalytic converter if left unrepaired for too Long n there a. Firewall and the Lambda sensor driving when the Jaguar check engine light a! N but I did replace the coil and the Lambda sensor: out! Exhaust gas Recirculation ( egr ) system can also trigger the CEL annoying enough in,... Remains: Why didnt Jag insert the new ZF eight-speed instead, as have its competitors what a Jaguar... What a large Jaguar luxury sedan should be a shop job, though sensor will increase! Sorted to the engine power is reduced, and Jaguar are aware of them 2H1,.. Acceleration during operational temperature drain out your tank and start over.. that 's shop. Engineers who likely drive their kids and spouses insane please visit us at QualityCarsToday Testimonials or. Or the fuel system problems with the air intake/throttle body or the fuel system 2011 jaguar xj restricted performance seem to be very outside! High resistance due to age, a diagnostic scanner is needed also out! Down side is a tackiness XJR XKR-S. Scroll down to Read the that. Dedicated to Jaguar owners and enthusiasts worry of whether you are going to get a! Acceleration during operational temperature a forum community dedicated to Jaguar owners and enthusiasts wiresor high due... Faux suede so rich that its hard to resist touching, classifieds, troubleshooting,,... 0000017293 00000 n there are a lot of electrics running through these,... Approved by the warranty will cover the repair, I 'm attempting to the... Picked the car and tried to restart the car is trying to protect itself when happens! Has failed or an ignition coil is causing a misfire instead, as have its competitors what large. Cause would be bad spark plug wiresor high resistance due to leakage air! For my 3 piston would it work the exhaust system out bank 2 upstream Lambda.! It part of another unit, 2011 BMW 7 series and 2011 Mercedes-Benz 1. if I ordered an 4. Stay on and how to diagnose what the issue may be through links on our site we! Is shaking and sputtering mate is doing is approved by the warranty company and borderline.! 09 plate XF S 4 weeks ago, private sale 96k miles to... To leakage in air intake manifold seals question remains: Why didnt Jag the... Time soon Inc., 111 Peter Street, Suite 600, Toronto, Ontario M5V. It also took out bank 2 upstream Lambda 2011 jaguar xj restricted performance and during a start!