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

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Model: Ka Fiesta EscortlOrion Fusion Focus FocusC-MAX Puma StreetkalSportka<br />

FORD<br />

MondeolCougar Scorpio Galaxy ExplorerMlindstar Transitrrourneo Connect<br />

PI408<br />

PI409<br />

PI410<br />

PI412<br />

PI413<br />

PI 41 4<br />

Exhaust gas recirculation (EGR) - flow out of<br />

self-test ranae<br />

Exhaust gas recirculation (EGR) solenoid -<br />

circuit malfunction<br />

Air filter inlet control solenoid - circuit<br />

malfunction<br />

Secondary air injection (AIR) incorrect<br />

downstream flow detected<br />

I<br />

I<br />

Probable cause<br />

I Exhaust gas recirculation (EGR) valve - seized I EGR valve<br />

Secondary air injection (AIR) monitor circuit -<br />

low input<br />

Secondary air injection (AIR) monitor circuit -<br />

high input<br />

Engine rnanagement/transmission<br />

Wiring, EGR solenoid, EGR valve<br />

Wiring, EGR solenoid<br />

Wiring, air filter inlet control solenoid<br />

I Wiring, AIR relay, mechanical fault<br />

Wiring, AIR solenoid<br />

Wiring, AIR solenoid<br />

PI420 I Catalytic converter temperature sensor I Wiring, catalytic converter temperature sensor<br />

PI421 I Catalytic converter - damage condition limit I Wiring, catalytic converter temperature sensor<br />

PI422 1 Exhaust gas ignition - temperature sensor I Wiring, exhaust gas temperature sensor<br />

PI423<br />

PI424<br />

Exhaust gas ignition - functional test<br />

I Exhaust gas ignition - primary plug<br />

PI425 1 Exhaust gas ignition - secondary plug I -<br />

PI426<br />

PI427<br />

Exhaust gas ignition - MAF sensor signal, out<br />

of range<br />

Exhaust gas ignition - MAF sensor signal, short<br />

circuit<br />

PI428 I Exhaust gas ignition - MAF sensor signal, open Wiring. MAF sensor, ECM<br />

circuit<br />

PI429<br />

PI430 Electric air pump - secondary<br />

Wiring, electric air pump<br />

PI431 Misfire monitor disabled, unable to learn wheel -<br />

1 profile<br />

PI432 Engine thermostat heater - circuit malfunction Wiring, engine thermostat heater<br />

PI 436<br />

I<br />

Electric air pump - primary<br />

AC evaporator temperature sensor - voltage<br />

low<br />

I<br />

-<br />

-<br />

Wiring, MAF sensor, ECM<br />

Wiring, MAF sensor, ECM<br />

Wiring, electric air pump<br />

Wiring, AC evaporator temperature sensor<br />

PI437 AC evaporator temperature sensor - voltage Wiring, AC evaporator temperature sensor<br />

high<br />

PI 442 Evaporative emission (EVAP) system - control Hose connection(s), fuel tank filler cap leak, EVAP canister<br />

leak detected<br />

purge valve<br />

PI443<br />

PI444<br />

PI445<br />

PI450<br />

Evaporative emission (EVAP) control valve -<br />

lowlno flow<br />

Evaporative emission (EVAP) purge flow<br />

sensor - voltage low<br />

Evaporative emission (EVAP) purge flow<br />

sensor - voltage high<br />

Evaporative emission (EVAP) system - unable<br />

to vacuum fuel tank<br />

Hose connection(s), EVAP canister purge valve<br />

Wiring, EVAP purge flow sensor<br />

Wiring, EVAP purge flow sensor<br />

Hoses blockedlleaking, EVAP vacuum valve<br />

PI451 Evaporative emission (EVAP) vent control I Wiring, EVAP vent control valve<br />

valve - circuit malfunction

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