98 F150, 4.6, codes Po153, P01151 - F150online Forums

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1997 - 2003 F-150

98 F150, 4.6, codes Po153, P01151

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  #1  
Old 07-16-2017, 07:51 PM
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98 F150, 4.6, codes Po153, P01151

98 F150 w/4.6 has been setting and eventually clearing itself the P0153 code for a month or so.
Now for the 1st time it set a P1151.

Are they related and possibly the same cause?
 
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  #2  
Old 07-16-2017, 07:58 PM
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  #3  
Old 07-16-2017, 08:21 PM
glc
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Bank 2 Sensor 1 - I'd replace the driver's side upstream O2 sensor.
 
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Old 07-16-2017, 08:49 PM
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I'd suggest replacing both up stream O2 sensors. If one is bad, the other one is going to puke right behind it. Changing O2 sensors should be on the 100,000 mile maintenance list. You'll get better fuel mileage using new units. DO NOT buy cheap units. Use ONLY Motorcraft sensors or expect issues. Shop around for best pricing. I get mine at Rockauto. There is a HUGE difference in the allowable operating range of the different brands. DO NOT use Bosch brand as they are a narrow band sensor and you WILL have problems.
FWIW, the downstream sensors are there just to monitor cat efficiency. They pretty much are along for the ride and are not usually a problem.
 
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Old 07-17-2017, 03:39 PM
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02 Sensors

Thanks for the replys and heads up. Couldn't find any vacuum leaks and the engine idles & runs fine so I ordered 2ea Motorcraft 02 Sensors from Rock Auto. Looks like I can access both upstreams through the fender wells.
 
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Old 07-17-2017, 05:16 PM
glc
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While you are doing the job, make sure the O2 sensor wires aren't chafed or resting on anything.
 
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