2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006  Factory Service Manual EC-246Revision: November 2009
DTC P0133, P0153 A/F SENSOR 1
2006 QX56
BANK 2
BBWA2112E

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INFINITI QX56 2006  Factory Service Manual DTC P0133, P0153 A/F SENSOR 1EC-247
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Revision: November 2009 2006 QX56
Specification data are reference values and are measured between each terminal and ground.
Pulse signal

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INFINITI QX56 2006  Factory Service Manual EC-248Revision: November 2009
DTC P0133, P0153 A/F SENSOR 1
2006 QX56
2. RETIGHTEN A/F SENSOR 1
Loosen and retighten the A/F sensor 1.
>> GO TO 3.
3. CHECK EXHAUST GAS LEAK
1. Start engine and run it

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INFINITI QX56 2006  Factory Service Manual DTC P0133, P0153 A/F SENSOR 1EC-249
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Revision: November 2009 2006 QX56
5. CLEAR THE SELF-LEARNING DATA
  With CONSULT-II
1. Start engine and warm it up to normal operating tem

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INFINITI QX56 2006  Factory Service Manual EC-250Revision: November 2009
DTC P0133, P0153 A/F SENSOR 1
2006 QX56
6. CHECK A/F SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Turn igni

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INFINITI QX56 2006  Factory Service Manual DTC P0133, P0153 A/F SENSOR 1EC-251
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Revision: November 2009 2006 QX56
8. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect

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INFINITI QX56 2006  Factory Service Manual EC-252Revision: November 2009
DTC P0133, P0153 A/F SENSOR 1
2006 QX56
11 .  CHECK PCV VALVE
Refer to  EC-45, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Repair or replace PCV valve.
12. C

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INFINITI QX56 2006  Factory Service Manual DTC P0137, P0157 HO2S2EC-253
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Revision: November 2009 2006 QX56
DTC P0137, P0157 HO2S2PFP:226A0
Component DescriptionUBS00H8B
The heated oxygen sensor 2, after three way catal