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O2 sensor

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Old Oct 9, 2023 | 01:53 PM
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Default O2 sensor

Hello

I have a Ford F150 platinum 3.5 eco 4x4. I'm trying to locate a replacement sensor front left bank due to a P0151 code. Looking at Amazon the length of the cable looks way to short. I think I need 2' - 2.5'.

I heard Bosch is good as it comes with anti-seize on it but the ones I see are way to short.

Any assistance would be appreciated.

Thanks
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Old Oct 9, 2023 | 02:03 PM
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From Workshop Manual
P0151 - O2 Circuit Low Voltage (Bank 2, Sensor 1) Description: This DTC sets when a concern is detected with one of the circuits used to determine the oxygen content in the exhaust gas. Possible Causes: • UO2S21 circuit short to ground • UO2SGREF21 circuit short to ground • UO2SPC21 circuit short to ground • UO2SPCT21 circuit short to ground • Damaged universal heated oxygen sensor bank 2, sensor 1 (HO2S21) Diagnostic Aids: An engine stall condition or an extremely rich air to fuel ratio may set this DTC. Diagnose any engine stall or rich air to fuel ratio concerns before diagnosing this DTC. Inspect the connectors for signs of damage, water intrusion or corrosion

(Has this O2 harness been damaged (maybe melted by exhaust pipe?)
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Old Oct 9, 2023 | 04:37 PM
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amazon it may well be a fake anyway. I bought mine from rock auto, it's definitely a much longer harness than the passenger side
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Old Oct 9, 2023 | 06:27 PM
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I'd stick with OEM. Ford has a way of not playing nicely with aftermarket stuff.
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Old Oct 9, 2023 | 07:27 PM
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OE is usually Bosch or NTK.

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Old Oct 11, 2023 | 11:41 PM
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Bank 2 upstream Ox Sensor driver side lead is 28 1/2 inches.
Rock Auto 56 to 61$ for 2015 3.5 L v6 turbo charged engine.
Any make for this application has to have that length.
Be sure the connector shape on the one you get has the same shape
Check the lead for damage first.
Good luck.
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Old Oct 16, 2023 | 02:18 AM
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Originally Posted by Home2#7
From Workshop Manual
P0151 - O2 Circuit Low Voltage (Bank 2, Sensor 1) Description: This DTC sets when a concern is detected with one of the circuits used to determine the oxygen content in the exhaust gas. Possible Causes: • UO2S21 circuit short to ground • UO2SGREF21 circuit short to ground • UO2SPC21 circuit short to ground • UO2SPCT21 circuit short to ground • Damaged universal heated oxygen sensor bank 2, sensor 1 (HO2S21) Diagnostic Aids: An engine stall condition or an extremely rich air to fuel ratio may set this DTC. Diagnose any engine stall or rich air to fuel ratio concerns before diagnosing this DTC. Inspect the connectors for signs of damage, water intrusion or corrosion
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(Has this O2 harness been damaged (maybe melted by exhaust pipe?)
Thank you for sharing.

Last edited by KaraSauer; Oct 23, 2023 at 01:48 AM.
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