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2001 Ford Expedition 4x4 Eddie Bauer 5.4

 
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25/03/2021 7:24 pm
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OBD codes: p0136, p0171, and sometimes p0174. P0136 has been consistent for several months now. What should i check first to fix this? 


Shadow13 
(@shadow13)
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25/03/2021 7:35 pm

For P0136 and diagnostics see below:

https://www.obd-codes.com/p0136

https://repairpal.com/obd-ii-code-p0136

https://www.yourmechanic.com/article/p0136-obd-ii-trouble-code-o2-sensor-circuit-malfunction-bank-1-sensor-2-by-jay-safford


Whatchamacallit
Whatchamacallit 
(@daywalker)
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25/03/2021 7:37 pm

For P0171 and P0174 see below:

https://troubleshootmyvehicle.com/ford/4.6L-5.4L/troubleshooting-p0171-and-p0174-page-1


Whatchamacallit
Whatchamacallit 
(@daywalker)
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