O2 sensors

[BoggsBro_NASF]

Over the span of about one (1) week my check engine light has turned on, then off, then back on again this morning (after being off for about 5days) reading as an O2 sensor failure (according to the reader at the local Autozone) has anyone else ever had an issue with the check engine light being glitchy? The truck is still running good as ever, and gas mileage has not suffered at all... any feedback is welcome and greatly appreciated... cheers

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[TheSatinPumpkin]

If there is a code developing during the drive cycles then its working as designed should look into why the code is coming up.

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[Redtruck-VA]

What code? If it is the rear O2s it won't affect the running.

 

[BoggsBro_NASF]

Code I believer is PO153

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[BoggsBro_NASF]

PO153

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[TheSatinPumpkin]

the dreaded P0153 (and P0133) codes...bummer.

 

[BoggsBro_NASF]

Update on issue. Now to accompany the engine light reading O2 sensor my change oil indicator is coming on after start up. I just had the oil changed less than a month ago so I know that end is good. Any way these issues are connected? I just installed a CAI and DynoMax muffler last month as well. Any way these could be responsible for this O2 sensor trip?

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[Redtruck-VA]

Codes are for slow to respond. What have you done recently to the truck? Check your connections. Replace the front sensors.
Do a search for "dodge P0133 DTC" and see what comes up.