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P0141 heater circuit malfunction

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Old Mar 19, 2008 | 11:24 AM
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00F150power5.4's Avatar
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From: Sheboygan WI
P0141 heater circuit malfunction
i have the check engine light coming on because of a heater circuit malfunction. P0141....what is that???

thanks
matt
 
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Old Mar 19, 2008 | 12:14 PM
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O2 sensor heater ckt. The heater gets the O2's up to temp so they can start "switching" faster, You will prolly need new ones.
 
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Old Mar 19, 2008 | 09:27 PM
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Replace the second O2 back from the engine on passenger side
 
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Old Mar 19, 2008 | 10:55 PM
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It is recommended that you replace sensors in pairs, just replacing one at a time can cause the PCM to see major diff's and turn on the CEL again.
 
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Old Mar 20, 2008 | 12:15 AM
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Originally Posted by 10thGenF150
Replace the second O2 back from the engine on passenger side

well crap that must mean that i have a bad eliminator on that one.....they are like brand new...only about a month on both back ones...
 
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Old Mar 20, 2008 | 12:16 AM
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Originally Posted by 00F150power5.4
well crap that must mean that i have a bad eliminator on that one.....they are like brand new...only about a month on both back ones...
You are getting the 141 running MIL ELIMS?
 
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Old Mar 20, 2008 | 10:04 AM
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Originally Posted by joshmac4.6
You are getting the 141 running MIL ELIMS?

yea i am...i have eliminators on both back o2 because i have headers and high flo cats....i have extensions on the front ones..
 
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