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check engine light came on

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Old Jan 20, 2022 | 06:10 AM
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check engine light came on

2017 with 104k, on the way into work i noticed the check engine light came on. freaked out a bit, have to wait all day to get back and try to scan it......... o the possibilities......
 
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Old Jan 20, 2022 | 08:10 AM
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The ability to read engine codes, without a scan tool, on my last Ram was a plus...too bad that I had to use it so frequently at times. Cycle the key 3 times w/o starting the truck, leaving it turned to on at cycle #3 and read the codes as they appeared across the odometer. Write them down and Google away. Though towards the end I just carried the scan tool with me at all times so I could reset them if they affected operation.
 
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Old Jan 20, 2022 | 09:04 AM
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Probably maf related. Intake gets covered in oil.
 
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Old Jan 20, 2022 | 09:07 AM
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Start with finding out the codes. It might be something very simple and inexpensive to correct.
 
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Old Jan 20, 2022 | 09:22 AM
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Originally Posted by redford
Start with finding out the codes. It might be something very simple and inexpensive to correct.
is there another way?
 
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Old Jan 21, 2022 | 06:44 AM
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so last night after a 1 hour drive home i read the codes.
p220E
nox sensor heater
control circuit
range/performance
bank1 sensor1

p2200
nox sensor circiut
bank1 sensor1

i cleared the codes and drove 15 minutes with no cel. this morning i drove 20 minutes and the cel came back on. got to work and pulled the codes to find the same 2

what now?
 
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Old Jan 21, 2022 | 06:48 AM
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Well, you didn't give complete info on the truck, so I will guess that this is a 6.7 diesel, since it is showing a NOx sensor code.

What now?
Well, sounds like it probably needs a new NOx sensor.
 
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Old Jan 21, 2022 | 06:52 AM
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sorry

2017 cclb 6.7 104,000 miles, stock motor/trans
 
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Old Jan 21, 2022 | 06:56 AM
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Replace sensor
 
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Old Jan 21, 2022 | 08:04 AM
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Originally Posted by zeroo
is there another way?
Yes there is. It's called the "blindly replace parts in the hope that you might stumble onto the issue before your savings are depleted" method. You would be surprised how often this method of vehicle repair is used.
 
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Old Jan 21, 2022 | 08:22 AM
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Originally Posted by redford
Yes there is. It's called the "blindly replace parts in the hope that you might stumble onto the issue before your savings are depleted" method. You would be surprised how often this method of vehicle repair is used.
well there is that. Ive been guilty of that on stuff….
 
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Old Jan 21, 2022 | 08:26 AM
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Originally Posted by zeroo
well there is that. Ive been guilty of that on stuff….
I could write a very entertaining book on all the stupid car repair related stuff that I have done.
 
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