Publi s hed: 11-May-2011
Engine Cooling - TD4 2.2L Diesel - Engine Cooling
Diagnosi s and Tes ti ng
Principles of Operation
For a detail ed descripti on of the cooli ng s ys t em, refer t o t he rel evant Des cript ion and Operat ion secti on in the workshop
manual.
REFER to: Engine Cooli ng (303-03B Engi ne Cool ing - TD4 2.2L Dies el, Des cript ion and Operat ion).
Inspection and Verification CAUTION: Di agnos is by s ubs ti tut ion from a donor vehicle is
NO T acceptabl e. Subs ti tut ion of cont rol modules does
not guarant ee confirmat ion of a faul t, and may als o caus e addit ional fault s i n t he v ehi cl e being t est ed and/or t he donor
vehi cl e.
1. Verify t he cus t omer concern.
1.
2. Vis ually ins pect for obvious s igns of mechani cal or electrical damage.
2.
Visual Inspection Mechanical Electrical
Coolant leaks Coolant expans ion t ank
Electric fan
Radiat or Fuse
W i ri ng harness
Loos e or corroded connect or(s )
Engi ne Coolant Temperature (ECT) s ensor
3.
If an obvious cause for an obs erved or report ed concern is found, correct t he caus e (if pos s ible) before
proceeding t o t he next s t ep
3.
4. If t he caus e is not vis ually evi dent , verify t he sympt om and refer t o t he Sympt om Ch art, al ternat ively, check for
Di agnos ti c Trouble Codes (DTCs) and refer t o t he DTC Index.
4.
Symptom Chart Symptom Possible CauseAction
Coolant los s Hoses Hose connect ions
Radi ator
Cool ant pump
Heat er core
Gaskets
Engi ne cas t ing cracks
Engi ne block core plugs GO t o Pinpoint Test
A.Engine overheati ng
Engi ne cool ant (level/condit ion) Thermos tat
Fan motor
Fan motor fus es and/or circui ts
ECT s ens or
Engi ne cont rol module (ECM)
Fan speed module GO t o Pinpoint Test
B.Engine not reaching normal operat ing t emperat ure
Thermos tat Elect ric fan
Fan speed module GO t o Pinpoint Test
C.DTC Index
• NOTE: If the control modul e or a component i s s us pect and the vehicle remains unde r manufacturer warrant y, refer t o the
W arranty Pol icy and Procedures manual (s ect ion B1.2), or determine i f any pri or appr oval programme is in operat ion, pri or
t o the ins tall ati on of a new module/component.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only fi ve digi t codes . Mat ch the five di git s from t he
s can tool to the firs t fi ve di git s of the seven digi t code l is ted to ident ify t he fa ul t (t he las t t wo digi ts gi ve ext ra
informat ion read by the manufact urer approved diagnos t ic s ys tem).
• NOTE: W hen performing volt age or res is t ance t est s , always use a digi tal mult imeter (DMM) accurat e t o t hree deci mal
places, and wi th a current cali brati on cert ifi cat e. W hen t est ing res is tance, al ways take t he res is t ance of t he DMM leads
int o account.
• NOTE: Check and recti fy bas ic faul ts before beginni ng diagnos t ic rout ines i nvol vi n g pinpoint t es t s.
• NOTE: If DTCs are recorded and, aft er performi ng the pi npoi nt tes ts , a fault is no t present , an int ermi tt ent concern may
be t he caus e. Always check for loose connect ions and corroded terminals .
DT C Description Possible Cause Action
P011600 Engine Coolant Temperat ure
Sensor 1 Circuit Mini mum temperat ure or
increas e not achi eved wi thi n Check int egrit y of cool ing s ys tem.
REFER t o: Engi ne Cool ing (303-03B
1
2
1
1
DT C
Description Possible Cause Action
Range/Performance t ime limitEngine Cooli ng - TD4 2.2L Dies el,
Di agnos is and Tes t ing).
P011700 Engine Coolant Temperat ure
Sensor 1 Circuit Low Engi ne cool ant temperat ure
s ens or circuit - short to
ground, open ci rcuit Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P011800 Engine Coolant Temperat ure
Sensor 1 Circuit Hi gh Engi ne cool ant temperat ure
s ens or circuit - short to power Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P048000 Fan 1 Cont rol Circui t Fan cont rol output 1 circui t -
no l oad Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P04804B Fan 1 Cont rol Circui t Fan cont rol output 1 circui t -
over t emperat ure Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P048100 Fan 2 Cont rol Circui t Fan PW M power s t age out put
2 no l oad Refer t o el ect ri cal circui t di agrams and
check cooli ng fan 2 cont rol circui t for open
circui t
P04814B Fan 2 Cont rol Circui t Fan PW M power s t age out put
2 exces s t emperat ure Refer t o el ect ri cal circui t di agrams and
check cooli ng fan 2 cont rol circui t for high
resi s tance
P048300 Fan Performance Fan has s tall ed Check and remove obs truct ion from
cooli ng fan. Check for sei zure of cool ing
fan
P069111 Fan 1 Cont rol Circui t Low Fan cont rol output 1 circui t -
s hort t o ground Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P069212 Fan 1 Cont rol Circui t High Fan cont rol output 1 circui t -
s hort t o power Carry out t he pinpoint t es t s as sociat ed
wi th thi s DTC us ing t he manufacturer
approved diagnost ic sys tem
P069311 Fan 2 Cont rol Circui t Low Cooling fan control circui t -
s hort t o ground Refer t o el ect ri cal circui t di agrams and
check cooli ng fan cont rol ci rcuit for short
t o ground
P069412 Fan 2 Cont rol Circui t High Cooling fan control circui t -
s hort t o power Refer t o el ect ri cal circui t di agrams and
check cooli ng fan cont rol ci rcuit for short
t o power
Pinpoint Tests
PINPOINT TEST A : LOSS OF COOLANT T EST
CO NDIT IONS DET AILS/RESULT S/ACT IONS
A1: VISUAL INSPECT ION Vis ually ins pect for l oss of coolant .
Carry out a s ys t em press ure tes t. See component t es ts i n t his s ecti on.
Is the engine cooli ng sys t em l eaking?
Yes
Rect ify t he leak as i ndi cat ed by t he tes t res ult . Top-up and fil l t he cooling sys tem t o the correct
level wit h t he correct s pecificati on fl uid as necess ary.
REFER to: Speci fi cat ions (303-03A Engi ne Cool ing - I6 3.2L Petrol , Specificati ons) /
Cool ing Sys tem Drai ning, Fi ll ing and Bl eeding (303-03A Engine Cooli ng - I6 3.2L Pet rol, General
Procedures).
TEST the s ys tem for correct operat ion.
No Veri fy t he cust omer compl aint.
PINPOINT TEST B : THE ENGINE OVERHEATS T EST
CONDIT IONS DET AILS/RESULT S/ACT IO NS
B1: CHECK CO OLANT W ARNING: The cool ing s yst em is pres s uri zed! Ensure t he res ervoir cap i s never rel eas
ed unt il t he sys t em has cool ed.
Fail ure t o fol low thes e ins t ructi ons may res ult i n pers onal i njury.
Check t he cool ant l evel and condi ti on.
Does the s ys tem cont ai n s ufficient cool ant of t he correct s peci fi cat ion?
Yes GO t o B2 .
No Top-up and fi ll t he cool ing s ys tem to the correct l evel wi th the correct s pecifi cat i on flui d as
neces sary.
REFER t o: Speci ficat ions (303-03A Engi ne Cool ing - I6 3.2L Pet rol , Specificati ons ) /
Cool ing Sys tem Drai ni ng, Fi lli ng and Bleeding (303-03A Engine Cooli ng - I6 3.2L Pet rol, General
Procedures ).
Check for coolant los s . GO t o Pi npoint Tes t A.B2: CHECK CO OLANT EXPANSION T ANK PRESSURE CAP
Check t he cool ant expansi on tank press ure cap for damage/correct operati on. REFER t o t he cool ant
expans ion t ank pres sure cap pres sure t est i n t his s ect ion.
1
1
Is t he coolant expans ion t ank pres sure cap operati ng correctl y?
Yes GO t o B3 .
No INSTALL a new coolant expans ion t ank pres s ure cap. TEST t he s yst em for correct opera ti on.
B3: CHECK T HERMOST AT Check t he t hermos tat for correct operat ion. REFER to the t hermos t at component t es t i n t his
sect ion.
Is t he t hermos tat operat ing correct ly?
Yes
Check for correct operat ion of cooli ng fans , ci rcuit s , sens ors , modules , et c.
REFER t o: Electroni c Engine Controls (303-14B Electronic Engine Controls - TD4 2.2L Dies el,
Diagnos i s and Test ing).
No
INSTALL a new t hermos t at .
REFER t o: Thermos tat (303-03B Engine Cooli ng - TD4 2.2L Di esel , Removal and Ins t allat ion).
TEST the s ys tem for correct operat ion.
PINPOINT TEST C : THE ENG INE DOES NOT REACH NORMAL OPERATING TEMPERATURE T EST
CONDIT IONS DET AILS/RESULT S/ACT IONS
C1: CHECK T HERMOST AT Check t he thermost at for correct operat ion. REFER to t he t hermos tat component t est i n t his
secti on.
Is t he t hermos tat operati ng correct ly?
Yes Check for correct operat ion of cooling fans , ci rcuit s, s ens ors , modul es, et c.
REFER t o: Electroni c Engi ne Control s (303-14B Electroni c Engi ne Controls - TD4 2.2L Dies el,
Diagnos is and Tes t ing).
No INSTALL a new t hermos tat .
REFER t o: Thermos tat (303-03B Engi ne Cooling - TD4 2.2L Di es el, Removal and Ins t al lat ion).
TEST t he s yst em for correct operati on.
Component Tests
Cooling System Pressure Test W ARNING: Never, under any ci rcums tances, remove the coolant expans ion tank pres s ure
cap whi le t he engine i s
operati ng. To avoid havi ng s caldi ng hot water or s team bl ow out of the cooli ng s ys t e m, use ext reme care when removi ng
t he coolant expans ion tank pres s ure cap from a hot cool ing s ys tem. W ai t unti l the en gine has cooled, then wrap a t hick
cloth around t he coolant expans ion tank pres s ure cap and t urn it s lowl y unt il t he pr es s ure begins t o releas e, s t ep back
whil e t he pres sure i s rel eas ed from the s ys tem. W hen certai n all t he pres s ure has be en rel eas ed (s ti ll wit h a cl oth) t urn
and remove t he coolant expans ion t ank pres sure cap. Fail ure t o follow thes e i ns t ruct i ons may res ult i n damage t o t he
cool ing s ys tem, engine and/or cause pers onal injury.
1. Swit ch the engine off.
1.
2. Open the hood and i nst all prot ect ive fender covers .
2.
3. Careful ly remove the coolant expans ion t ank pres s ure cap from the coolant expans ion t ank to rel ieve pres s ure i n
t he cool ing s ys tem. Add coolant t o cool ant expans i on tank as necess ary.
3.
4. Ins t al l the press ure tes t er equipment t o t he cool ing s yst em foll owing manufact urers i nst ruct ions. Rei ns t all t he
coolant expans ion t ank pres sure cap (if pres s ure t est equipment i s not ins tal led t o t he cool ant expans i on tank).
4.
5. Pres surize t he cool ing s ys tem to the coolant expans ion t ank pres s ure cap lower l imi t .
5.
6. Observe the gauge readi ng for approximat ely t wo minutes . Pres s ure s houl d not drop du ring t his t ime.
If sys tem holds pres s ure, cont inue from s tep 7. If the pres s ure drops, check the complet e cool ing s ys tem for l eaks . Als o refer to en
gi ne s ys t em checks i f a
leak cannot be locat ed in the cooli ng s ys t em. Correct any leaks found and recheck t h e s ys t em.6.
7. Release the s ys tem pres s ure and remove the press ure tes t equipment. Check the coolan t level. Replenis h as
necess ary wit h t he correct cool ant s olut ion.
REFER t o: Specificati ons (303-03A Engine Cooli ng - I6 3.2L Pet rol, Specifi cat ions ).
7.
8. Check t he radi at or overfl ow hos e for any obs truct ions which may block the flow of co olant eit her to or from t he
coolant expans ion t ank.
8.
9. Conduct the coolant expans ion t ank pres s ure cap pres s ure t es t in t his secti on.
9.
Coolant Expansion Tank Pressure Cap Pressure Test W ARNING: Never, under any ci rcums tances, remove the coolant expans ion tank pres s ure
cap whi le t he engine i s
operati ng. To avoid havi ng s caldi ng hot water or s team bl ow out of the cooli ng s ys t e m, use ext reme care when removi ng
t he coolant expans ion tank pres s ure cap from a hot cool ing s ys tem. W ai t unti l the en gine has cooled, then wrap a t hick
cloth around t he coolant expans ion tank pres s ure cap and t urn it s lowl y unt il t he pr es s ure begins t o releas e, s t ep back
whil e t he pres sure i s rel eas ed from the s ys tem. W hen certai n all t he pres s ure has be en rel eas ed (s ti ll wit h a cl oth) t urn
and remove t he coolant expans ion t ank pres sure cap. Fail ure t o follow thes e i ns t ruct i ons may res ult i n damage t o t he
cool ing s ys tem, engine and/or cause pers onal injury.
T orque:
23 Nm 9.
Tight en the radiat or drain t ap.
10.
Inst all t he drain plug.
11.
Connect t he batt ery ground cable.
Refer t o: Specificati ons (414-00 Bat tery and Charging Sys tem -
General Informat ion, Specificati ons).
12.
Connect exhaus t extract ion hos es to the tail pi pes .
13.
Fil l the cooli ng sys t em t o t he upper l evel mark of the expans i on
t ank.
14.
Inst all t he cool ant expans i on tank cap.
15.
Hold the engine speed at 2000 rpm unti l warm air is expell ed from
t he heat er.
16. Fil l the cooli ng sys t em t o t he upper l evel mark of the
expans ion tank.
17.
Swit ch t he engi ne off and all ow t o cool.
18.
Clean any s pil t cool ant from t he vehi cl e.
19.
Check and top-up the coolant if requi red.
20.
Inst all t he engi ne undershi eld.
Refer t o: Engi ne Unders hi eld (501-02 Front End Body Panel s ,
Removal and Ins tall ati on).
21.
23. NOTE: Cl ose the coolant s uppl y val ve when t hecool ant expans i on tank MAX mark is reached or cool antmovement has ceas ed.
Open t he coolant s uppl y valve and all ow t he cool ant tobe drawn into the sys tem.
23.
Remove t he vacuum fil ler gauge and cooli ng s yst em vacuum refil ladapt or ass embl y.24.
Connect exhaus t extract ion hos es to the tail pi pes .25.
St art and run the engine.26.
Inst all t he cool ant expans i on tank cap.27.
Hold the engine speed at 2000 rpm unti l warm air is expell ed fromt he heat er.28.
Swit ch t he engi ne off and all ow t o cool.29.
Clean any s pil t cool ant from t he vehi cl e.30.
31. W ARNING: Si nce injury s uch as scaldi ng could be caus ed byes caping st eam or coolant, all ow t he vehi cle cooling sys tem t o coolpri or to carrying out t his procedure.
Check and top-up the coolant if requi red.
31.
Inst all t he front RH s plas h s hi eld.32.
Inst all t he engi ne undershi eld.
Refer t o: Engi ne Unders hi eld (501-02 Front End Body Panel s ,Removal and Ins tall ati on).
33.
Publi s hed: 11-May-2011
Fuel Charging and Controls - I6 3.2L Petrol - Fuel Charging and Controls
Diagnosi s and Tes ti ng
Principles of Operation
For a detail ed descripti on of the fuel chargi ng and cont rol s, refer t o the relevant Descri pti on and Operat ion s ect ion in t heworks hop manual .REFER to: Fuel Chargi ng and Controls (303-04A Fuel Chargi ng and Cont rol s - I6 3.2L Pet rol, Des cri pt ion and Operati on).
Inspection and Verification
CAUTION: Di agnos is by s ubs ti tut ion from a donor vehicle is NO T acceptabl e. Subs ti tut ion of cont rol modules doesnot guarant ee confirmat ion of a faul t, and may als o caus e addit ional fault s i n t he vehi cl e being t est ed and/or t he donorvehi cl e.
• NOTE: For di agnos t ic purpos es the cyli nders are divided i nt o t wo banks: Bank 1 - Cyl inder numbers 1, 2 and 3. Bank 2 -Cylinders 4, 5 and 6
1. Verify t he cus t omer concern.1.
2. Vis ually ins pect for obvious s igns of mechani cal or electrical damage.2.
Visual Inspection
MechanicalElectricalFuel l evelFuel l eaksDamaged fuel l inesDamaged push connect fit t ingsFuel contami nati on/grade/quali tyThrot tl e bodyDamaged fuel t ank fi ller pipe capDamaged fuel t ank fi ller pipe
FusesLoos e or corroded elect rical connect orsHarnes s esSensor(s )Engine Control Modul e (ECM)
3. If an obvious cause for an obs erved or report ed concern is found, correct t he caus e (if pos s ible) beforeproceeding t o t he next s t ep3.
4. If t he caus e is not vis ually evi dent , verify t he sympt om and refer t o t he Sympt om Chart, al ternat ively, check forDi agnos ti c Trouble Codes (DTCs) and refer t o t he DTC Index.4.
Symptom Chart
SymptomPossible CauseAction
Engine cranks , but does not fi reEngine breat her s ys temdis connected/res trictedIgni ti on s ys t emFuel s ys temElectronic engine control
Ens ure the engine breat her sys tem isfree from rest ri ct ion and is correct lyi nst all edFor igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).Read DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).
Engine cranks and fires , but wil lnot s tartEvaporati ve emis s ions purgevalveFuel pumpSpark pl ugsHT s hort t o ground (t racki ng)check rubber boots forcracks/damageIgni ti on s ys t em
For purge valve t es ts .REFER t o: Evaporat ive Emi ss i ons (303-13Evaporati ve Emis s ions , Diagnosi s andTes ti ng).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).
Di fficul t col d s t artEngine coolant level/ant i-freeze cont entBatt eryElectronic engine controlsFuel pumpPurge valve
Check t he engi ne cool ant l evel andcondit ion.REFER t o: Specificati ons (303-03AEngine Cool ing - I6 3.2L Pet rol ,Specificat ions ).Ens ure the bat tery is i n a full y chargedand s ervi ceable condit ionRead DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.
SymptomPossible CauseAction
REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).For purge valve t es ts .REFER t o: Evaporat ive Emi ss i ons (303-13Evaporati ve Emis s ions , Diagnosi s andTes ti ng).
Di fficul t hot st artInjector leakElectronic engine controlPurge valveFuel pumpIgni ti on s ys t em
Check for i njector leak, ins tal l newi njector as neces s ary.REFER t o: Fuel Inject or (303-04A FuelChargi ng and Control s - I6 3.2L Pet rol ,Removal and Ins t al lat ion).Read DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For purge valve t es ts .REFER t o: Evaporat ive Emi ss i ons (303-13Evaporati ve Emis s ions , Diagnosi s andTes ti ng).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).
Di fficul t t o s tart aft er hot s oak(vehi cl e s tanding, engi ne off, aft erengine has reached operati ngt emperature)
Injector leakElectronic engine controlPurge valveFuel pumpIgni ti on s ys t em
Check for i njector leak, ins tal l newi njector as neces s ary.REFER t o: Fuel Inject or (303-04A FuelChargi ng and Control s - I6 3.2L Pet rol ,Removal and Ins t al lat ion).Read DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For purge valve t es ts .REFER t o: Evaporat ive Emi ss i ons (303-13Evaporati ve Emis s ions , Diagnosi s andTes ti ng).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).
Engine s t al ls s oon after s tartBreat her s ys temdis connected/res trictedECM relayElectronic engine controlIgni ti on s ys t emAir i ntake s yst em res trictedAir l eakageFuel l ines
Ens ure the engine breat her sys tem isfree from rest ri ct ion and is correct lyi nst all edRead DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).Check for bl ockage in ai r fi lt er el ementand ai r int ake s ys temCheck for ai r leakage i n air i ntakes ys temFor fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).
Engine hes it at es /poor accelerat ionFuel press ure, fuel pump, fuell inesInjector leakAir l eakageElectronic engine controlThrot tl e mot orRes tricted accelerat or pedalt ravel (carpet, et c)
For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).Check for i njector leak, ins tal l newi njector as neces s ary.REFER t o: Fuel Inject or (303-04A FuelChargi ng and Control s - I6 3.2L Pet rol ,
SymptomPossible CauseAction
Igni ti on s ys t emTrans mi ss ion malfunct ionRemoval and Ins t al lat ion).Check for ai r leakage i n air i ntakes ys temRead DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).Read DTCs and refer t o t he DTC Index i nt his secti on for t hrot tl e mot or t es tsEns ure accelerat or pedal is free fromres tricti onFor igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).For t rans mis s ion t est s .REFER t o: Diagnos t ics (307-01 Automat icTrans mi s si on/Trans axl e, Diagnos i s andTes ti ng).
Engine backfiresFuel pump/li nesAir l eakageElectronic engine controlsIgni ti on s ys t emSt icki ng variabl e camshaftt imi ng (VCT) hub
For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).Check for ai r leakage i n i nt ake airs ys temRead DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).Read DTCs and refer t o DTC Index forVCT tes ts .REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).
Engine s urgesFuel pump/li nesElectronic engine controlsThrot tl e mot orIgni ti on s ys t em
For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).Read DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).Read DTCs and refer t o DTC Index in t hiss ecti on for t hrot tl e mot or t es ts .For igni ti on sys t em t est s .REFER t o: Engi ne Ignit ion (303-07AEngine Ignit ion, Diagnosi s and Test ing).
Engine detonat es /knocksElectronic engine controlsFuel pump/li nesAir l eakageSt icki ng VCT hub
Read DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).For fuel s yst em tes ts .REFER t o: Fuel Tank and Lines (310-01AFuel Tank and Li nes - I6 3.2L Petrol,Di agnos is and Tes t ing).Check for ai r leakage i n i nt ake airs ys temRead DTCs and refer t o DTC Index forVCT tes ts .REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).
No t hrot tl e res ponseElectronic engine controlsThrot tl e mot orRead DTCs and refer t o DTC Index forel ect ronic engine cont rol tes t s.REFER t o: Elect roni c Engi ne Cont rol s(303-14A Elect ronic Engine Cont rols - I63.2L Petrol , Diagnosi s and Test ing).Read DTCs and refer t o DTC Index in t hiss ecti on for t hrot tl e mot or t es ts .