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97 f150 4.2 P0141

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Old 09-06-2014, 04:10 PM
lineman21's Avatar
lineman21
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97 f150 4.2 P0141

I had two codes pertaining to bank one sensor 2. Changed the sensor and keep getting P0141. I've checked the plug and I'm getting power and ground. I checked the sensor and it ohms out fine. Any other suggestions before I take it to Ford?
 
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Old 09-06-2014, 11:01 PM
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Bluegrass 7
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You got the right sensor and location but the circuit is in trouble.
Voltage and ground is not telling you the truth 'for the problem'.
Measuring it "open circuited" is not a test under the sensor heater's load.
There likely is a high resistance in the circuit at some point causing power to drop under the heating element load.
That's what the computer is complaining about because it measures circuit current to tell it's to low thus sets the code.
A dealer will have to find it as you would do.
Good luck.
 
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