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

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Mia Engine rnanagernenfftransmission<br />

Model: Sierra 1,8 Sierra 2,9 V6 GranadalScorpio 2,4/2,9 V6<br />

Transit 2,9 V6<br />

Flash type I <strong>Fault</strong> locrtlon<br />

Probable cause<br />

23 I Throttle position (TP) sensor I Wiring, TP sensor, ECM<br />

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

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

33<br />

34<br />

Knock sensor (KS)<br />

Idle speed control (ISC) actuator - CFi<br />

Cruise control - too slow<br />

Cruise control - too fast<br />

Vehicle speed sensor (VSS)<br />

6 cylinder identification code<br />

Exhaust gas recirculation (EGR) backpressure<br />

transducer - voltage low<br />

Exhaust gas recirculation (EGR) backpressure<br />

transducer - outside specification<br />

Exhaust gas recirculation (EGR) solenoid - no gas<br />

recirculation<br />

Exhaust gas recirculation (EGR) backpressure<br />

transducer - outside specification<br />

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

Wiring, ISC actuator, ECM<br />

Vacuum pipes blockedlleaking, throttle valve<br />

sticking<br />

Vacuum pipes blockedlleaking, throttle valve<br />

sticking<br />

Wiring, VSS, ECM<br />

-<br />

Wiring, blockedlleaking pipes, EGR<br />

backpressure transducer, ECM<br />

Wiring, blockedlleaking pipes, EGR<br />

backpressure transducer, ECM<br />

Wiring, blockedlleaking pipes, EGR<br />

backpressure transducer, ECM<br />

Wiring, blockedlleaking pipes, EGR<br />

backpressure transducer. ECM<br />

35 Exhaust gas recirculation (EGR) backpressure Wiring, blockedlleaking pipes, EGR<br />

transducer - voltage high<br />

backpressure transducer, ECM<br />

36<br />

No RPM increase during test<br />

-<br />

37<br />

No RPM decrease durina test<br />

-<br />

37 1 Closed throttle position (CTP) switch - CFi / Wiring, CTP switch, ECM<br />

38 I Closed throttle position (CTP) switch - CFi I Wiring, CTP switch, ECM<br />

39 I AT lock-up solenoid fault I Wiring, AT lock-up solenoid<br />

41 Heated oxygen sensor (H02S) 1, cylinders 1-3 - mixture<br />

weak<br />

Heated oxygen sensor (H02S) 1, cylinders 1-3 - mixture<br />

I kh<br />

43<br />

Idle speed control (ISC) actuator - CFI<br />

44 Throttle position (TP) sensor<br />

I<br />

Wiring, air leak, exhaust leak, H02S, ECM<br />

Wiring, air leak, exhaust leak, H02S, ECM<br />

Wiring, ISC actuator, ECM<br />

Wiring, TP sensor, ECM<br />

45 I Closed throttle position (CTP) switch - CFi I Wiring, CTP switch, ECM<br />

47 1 Cruise control switch I Wiring, cruise control switch<br />

48<br />

49<br />

51<br />

52<br />

53<br />

Cruise control switch<br />

Cruise control signal<br />

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

Power steering pressure (PSP) switch - not activated<br />

durinq test<br />

Throffle position (TPf sensor - voltage high<br />

Wiring, cruise control switch<br />

Wiring, cruise control switch, cruise control<br />

actuator, ECM<br />

Wiring, ECT sensor, ECM<br />

Wiring, PSP switch, ECM<br />

Wiring, TP sensor, ECM<br />

54 I Intake air temperature (IAT) sensor - voltage high I Wiring, IAT sensor, ECM<br />

57 I Octane adjuster - short circuit I Octane adjuster wiring<br />

58<br />

59<br />

Ignition timing delayed<br />

Idle adjuster - short circuit<br />

Octane adjuster wiring<br />

Octane adjuster wiring

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