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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Model: 850 2,O 850 2,3/2,5 850 2,5 20V 960 2,5/3,0<br />

Engine management 7<br />

Flash type <strong>Fault</strong> location<br />

451 Cylinder I - misfire detected<br />

452 Cylinder 2 - misfire detected<br />

453<br />

454<br />

I<br />

Cylinder 3 - misfire detected<br />

Cylinder 4 - misfire detected<br />

455 Cylinder 5 - misfire detected<br />

51 1<br />

512<br />

512<br />

Long term fuel trim, idling<br />

Short term fuel trim - lower limit reached<br />

Short term fuel trim<br />

Engine control module (ECM) - overheating<br />

513 1 514 I Engine coolant blower motor, low speed<br />

51 5 I Engine coolant blower motor, high speed<br />

52 1 I Heated oxygen sensor (H02S) I - heater control<br />

522 I Heated oxygen sensor (H02S) 2 - heater control<br />

523<br />

524<br />

53 1<br />

532<br />

Module cooling fan<br />

Transmission control module (TCM) - torque reduction<br />

signal<br />

Engine control module (ECM) - power stage - group A<br />

Engine control module (ECM) - power stage - group B<br />

533 Engine control module (ECM) - power stage - group C<br />

534 I Engine control module (ECM) - power stage - group D<br />

535<br />

Turbocharger (TC) wastegate regulating valve<br />

541 I Evaporative emission (EVAP) canister purge valve<br />

Probable cause<br />

Spark plug, HT lead, distributor rotorlcap, moisture<br />

ingress, injectorlwiring, air leak, compression, head<br />

gasket, low-tension wiring, repeated cold starts<br />

(flooding), puncture in front tyre<br />

Spark plug, HT lead, distributor rotorlcap, moisture<br />

ingress, injectorlwiring, air leak, compression, head<br />

gasket, low-tension wiring, repeated cold starts<br />

(flooding), puncture in front tyre<br />

Spark plug, HT lead, distributor rotorlcap, moisture<br />

ingress, injectorlwiring, air leak, compression, head<br />

gasket, low-tension wiring, repeated cold starts<br />

(flooding), puncture in front tyre<br />

Spark plug, HT lead, distributor rotorlcap, moisture<br />

ingress, injectorlwiring, air leak, compression, head<br />

gasket, low-tension wiring, repeated cold starts<br />

(flooding), puncture in front tyre<br />

Spark plug, HT lead, distributor rotorlcap, moisture<br />

ingress, injectorlwiring, air leak, compression, head<br />

gasket, low-tension wiring, repeated cold starts<br />

(flooding), puncture in front tyre<br />

lntakelexhaust leak, fuel pressure, excessive fuel in<br />

engine oil, injector(s), EVAP canister purge valve,<br />

wiring, MAF sensor, ECT sensor, H02S<br />

H02S signal wire short to earth, EGR system leak,<br />

MAP sensor, H02S, MAP sensor earth wire open<br />

circuitlpoor connection<br />

Fuel pressure, wiring, MAF sensor<br />

Engine coolant blower motor, air supply blocked,<br />

module cooling fan<br />

Wiring, engine coolant blower motor relay<br />

Wiring, engine coolant blower motor relay<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, module cooling fan<br />

Wiring<br />

Wiring, injector(s), EVAP canister purge valve, ECM<br />

Wiring, IAC valve, TC wastegate regulating valve,<br />

engine coolant blower motor relay, ECM<br />

Wiring short to positive, EGR control module,<br />

engine coolant blower motor relay, TCM<br />

(load signal), instrument panel<br />

(ECTIRPMlfuel consumption signals), ECM<br />

Wiring short to positive, MIL, AC relay, fuel pump,<br />

ignition amplifier, ECM<br />

Wiring, TC wastegate regulating valve<br />

Wiring, EVAP canister purge valve

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