Thislightcomesonduringamalfunction inoneof
twoways:
Ifthecheckenginelightcomesonandstayson,while
theengineisrunning, thisindicates thatthereisan
OBDIIproblemandserviceisrequired.
LightFlashing: Amisfirecondition hasbeendetected.
Amisfire increases vehicleemissions andcould
damagetheemission controlsystemonthevehicle.
Diagnosis andservicemightberequired.
Malfunctions oftenareindicated bythesystembefore
anyproblemisapparent. Beingawareofthelight
canpreventmoreseriousdamagetothevehicle.
Thissystemassiststheservicetechnician incorrectly
diagnosing anymalfunction.
Topreventmoreseriousdamagetothevehicle:
.
.
.
.
Reducevehiclespeed.
Avoidhardaccelerations.
Avoidsteepuphillgrades.
Ifthevehicleiscontinually drivenwiththis
lighton,afterawhile,theemissioncontrols might
notworkaswell,thevehicle's fueleconomymight
notbeasgood,andtheenginemightnotrunas
smoothly.Thiscouldleadtocostlyrepairsthat
mightnotbecoveredbythevehiclewarranty.
Iftowingatrailer,reducetheamountofcargo
beinghauledassoonasitispossible.
Ifthelightcontinues toflash,whenitissafetodoso,
stopthevehicle. Findasafeplacetoparkthevehicle.
Turnthekeyoff,waitatleast10seconds,andrestart
theengine.Ifthelightisstillflashing, followthe
previous stepsandseeyourdealerforserviceas
soonaspossible.
Modifications madetotheengine,
transmission, exhaust, intake,orfuelsystem
ofthevehicleorthereplacement oftheoriginal
tireswithotherthanthoseofthesameTire
Performance Criteria (TPC)canaffectthevehicle's
emission controls andcancausethislighttocome
on.Modifications tothesesystemscouldleadto
costlyrepairsnotcoveredbythevehiclewarranty.
Thiscouldalsoresultinafailuretopassarequired
Emission Inspection/Maintenance test.See
‑
.
4-56
| Categories | Cadillac DTS Manuals, Cadillac Manuals |
|---|---|
| Tags | Cadillac DTS 4.6 |
| Model Year | 2010 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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