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Trouble Godes - diagramas.diagram...

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Model. Fiesta 1,111,311,411,6 EscorUOrion l,3/1,4/1,6<br />

Flash type Fault location I Probable cause<br />

27<br />

Manifold absolute pressure (MAP) sensor -<br />

voltage high<br />

Engine managemenVtransmission kl-5 a)Lr 2<br />

28 I Heated oxygen sensor (H02S) - mixture rich I Wiring, fuel supply, injector control, HOZS, ECM<br />

3 1 I Memory failure I ECM<br />

32<br />

33<br />

Volume air flow (VAF) sensor 1 - voltage low<br />

Engine coolant temperature (ECT) sensor -<br />

voltaae low<br />

Wiring, MAP sensor, ECM<br />

-<br />

Wiring, VAF sensor, ECM<br />

Wiring, ECT sensor, ECM<br />

34 I Intake air temperature (IAT) sensor 1 Wiring, IAT sensor, ECM<br />

3 5 I Throttle position (TP) sensor - voltage low I Wiring, TP sensor, ECM<br />

36<br />

37<br />

Volume air Row (VAF) sensor 2 - voltage low<br />

Manifold absolute pressure (MAP) sensor -<br />

voltaae low<br />

38 I Heated oxygen sensor (H02S) - mixture weak I Wiring, fuel supply, injector control, HOZS, ECM<br />

41<br />

- -<br />

Wiring, VAF sensor, ECM<br />

Wiring, MAP sensor, ECM<br />

Volume air flow (VAF) sensor 1 - signal Wiring, VAF sensor, ECM<br />

42 I Manifold absolute pressure (MAP) sensor - signal I Wiring, MAP sensor, ECM<br />

43 I Throttle position (TP) sensor - signal I Wiring, TP sensor, ECM<br />

44 I Blip test (throttle open) not performed I -<br />

45<br />

46<br />

47<br />

48<br />

48<br />

Vehicle speed sensor (VSS)<br />

Idle air control (IAC) valve - maximum engine<br />

speed<br />

Idle air control (IAC) valve - minimum engine<br />

speed<br />

Closed throttle position (CTP) switch (CFi)<br />

Idle air control (IAC) valve (except CFi)<br />

Wiring, VSS, ECM<br />

Wiring, IAC valve, ECM<br />

Wiring, IAC valve, ECM<br />

Wiring, CTP switch, ECM<br />

Wiring, IAC valve, ECM<br />

49 I Exhaust gas recirculation (EGR) valve I Wiring, restrictedlleaking EGR pipes, EGR valve, ECM<br />

50<br />

Identification code for engine control module<br />

(ECM)<br />

51<br />

AC 'ON' during test<br />

-<br />

52<br />

53<br />

AT in 'D' during test<br />

( Octane plug 1 - short circuit<br />

-<br />

1 -<br />

54<br />

Octane plug 2 - short circuit<br />

-<br />

55<br />

Idle speed adjust - short circuit -<br />

56<br />

Knock sensor (KS)<br />

Wiring, fuel quality, ignition timing, KS, ECM<br />

57 I Throttle opened too early during test I -<br />

58 I Phasing of ignition pick-uplspark output signals I Wiring, CKP sensor, ignition control module (ICM), ECM<br />

Mixture adjustment resistor<br />

-<br />

Wiring, air leaks, vacuum leaks, MAP sensor, mixture<br />

adjustment resistor, injectors, spark plugs<br />

60 I Start of service set mode I -<br />

61 I Power loss - cylinder 1 I Compression, spark plugs<br />

62 I Power loss - cylinder 2 I Compression, spark plugs<br />

63<br />

64<br />

Power loss - cylinder 3<br />

Power loss - cylinder 4<br />

Compression, spark plugs<br />

Compression, spark plugs

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