Jaguar World – July 2019

(Wang) #1

MODERNWORKSHOP


84 |JaguarWorld/July 2019

EGRtrouble on the XF 2.2D


AfailedEGRvalveisnotuncommononsomediesels.


Here,Elite&PerformanceJagsexplainshowtogoaboutreplacing


oneona2 0142 .2-litredieselengineXF


WORDS&PHOTOGRAPHY
ROBHAWKINS

F


AILUREOFtheexhaustgas
recirculation(EGR)valveappears
tobeacommonproblemacrossa
numberofdieselenginevehicles,
includingJaguars.Thefirstyou’llknow
aboutit,though,iswhentheengine
managementlightremainsilluminated
onthedashboard,threateningfailure
atthenextMOTtest.
Theemissions-relatedEGRvalveis
designedtoreducepollutionbyfeeding
wastegasesbackintotheinduction
system.Consequently,thecarbonand
oilvapourfromthosewastegasescoat
theinsideofallcomponentsconcerned.
Usually,theEGRvalveisthefirsttofail,
raisingafaultcode.
OntheXF2.2D,thecoolant-fed
EGRcoolercanalsobeaffected,which
willaddanother£400tothefinal
bill,althoughit’snotalwaysthecase.
However,itisworthwhilebeingcautious

aboutreplacinganEGRvalve–Jaguaralso
recommendsrenewingasteelpipethatis
routedbetweenitandthethrottlebody,
whichcostsaround£150.Infact,Jaguar
stipulatesitmustberenewedifyoubuya
JaguarreplacementEGRvalvetomaintain
thepart’swarranty.Theoldsteelpipethat
weseebeingremovedhereiscertainly
cloggedwithcarbon,anditisdifficultto
fullycleanout.
ThefollowingstepsshowElite&
PerformanceJagsrenewingtheEGRvalve

THANKSTO
Elite&PerformanceJags
10 -11DerbyTradingEstate
StoresRoad
DerbyDE2 14 BE
Tel: 01332265826
Website:www.eapj.com
CosttosupplyandfitanEGRvalve
andsteelpipe,andtoclearthefault
codes:£597. 67 +VAT(£ 71 7.20)

TOOLS:
■Allenkeybits:5mm
■Penetratingfluid
■Screwdrivers
■Sockets/spanners8mm,10mm,
13 mm, 16 mm
■Trimtools

DOINGITYOURSELF
Difficulty
Timerequired:Twohours
Onyourown?Yes

andaforementionedsteelpipeona2 014
XF2.2DthatloggedanEGR-relatedfault
code.Thetechniciansthencalibratethe
EGRforthecorrectflowandclearthe
respectivefaultcodes.Withtheproblem
sorted,theenginemanagementlight
nolongerremainsilluminatedonthe
dashboard.
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