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

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Model: XJ6 3,2/4,0 Sovereign 3,2/4,0 XJR 4,O XJ12 6,O<br />

Engine management<br />

EOBD<br />

type<br />

<strong>Fault</strong> location<br />

Heated oxygen sensor (H02S) 2 -<br />

cylinders 1,2,3 - lean mixture<br />

I Probable cause<br />

Wiring, H02S<br />

Heated oxygen sensor (H02S) 2 - 1 Wiring, HO2S<br />

cylinders 1,2,3 - rich mixture<br />

Heated oxygen sensor (H02S) 2 - / Wiring, HO2S<br />

cylinders 4,5,6 - lean mixture<br />

Heated oxygen sensor (H02S) 2 -<br />

cvlinders 4-56 - rich mixture<br />

I Wiring, H02S<br />

Weak mixture - cylinders 1,2,3,4,5,6 1 Wiring, fuel level, fuel pump, fuel pump relay, injector(s)<br />

Rich mixture - cylinders 1,2,3,4,5,6<br />

Weak mixture - long term fuel trim<br />

Rich mixture - long term fuel trim<br />

Weak mixture - long term fuel trim<br />

Rich mixture - long term fuel trim<br />

Oxygen sensor heater I -<br />

cylinders 1,2,3,4,5,6<br />

Oxygen sensor heater 1 -<br />

cylinders 1,2,3,4,5,6<br />

Oxygen sensor heater 1 -<br />

cylinders 1,2,3,4,5,6 - circuit malfunction<br />

Oxygen sensor heater 1 -<br />

cylinders 1,2,3,4,5,6 - heater resistance<br />

Oxygen sensor heater 1 - cylinders<br />

1,2,3,4,5,6 - heater resistance low<br />

Oxygen sensor heater 1 - cylinders<br />

1,2,3,4,5,6 - heater resistance low<br />

Oxygen sensor heater 2 -<br />

cylinders 1,2,3,4,5,6<br />

Oxygen sensor heater 2 -<br />

cylinders 1,2,3,4,5,6<br />

Oxygen sensor heater 2 -<br />

cylinders 1,2,3,4,5,6 - circuit malfunction<br />

Oxygen sensor heater 2 -<br />

cylinders 1,2,3,4,5,6 - heater resistance<br />

Oxygen sensor heater 2 - cylinders<br />

1,2,3,4,5,6 - heater resistance law<br />

Oxygen sensor heater 2 - cylinders<br />

1,2,3,4,5,6 - heater resistance low<br />

Fuel level sensor<br />

Fuel level sensor<br />

Injector - cylinder 1 - short circuitlopen<br />

circuit<br />

lnjector - cylinder 2 - short circuithpen<br />

circuit<br />

Fuel line blocked, injector@), trouble code@) stored in other<br />

system(s)<br />

Wiring, fuel pump, fuel filter blocked, injector(s), trouble code(s)<br />

stored in other svstem(s1<br />

Fuel pressure, fuel line blocked, injector(s), trouble code(s)<br />

stored in other system@)<br />

Air leak, trouble code(s) stored in other system(s)<br />

I Exhaust leak, trouble code@) stored in other system(s)<br />

Wiring, H02S<br />

I Wiring, HO2S<br />

I<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, H02S<br />

Wiring, fuel level sensor<br />

Wiring, fuel level sensor<br />

Wiring, injector<br />

Wiring, injector

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