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Misfire on cylinder 1 and 2

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Old Dec 10, 2021 | 09:57 AM
  #11  
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Try pulling the Front O2 sensor(s) (pre-cat) See if the truck runs any better.
 
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Old Dec 16, 2021 | 05:35 PM
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Originally Posted by HeyYou
Try pulling the Front O2 sensor(s) (pre-cat) See if the truck runs any better.
Sorry for taking so long on a response, I recently pulled the pre-cat O2 sensor and ran the truck for a few minutes. It didn’t alleviate the misfires so it’s not the cat. I did a compression check on cylinders 1, 2, and 4. All were ok. If it were the cam position sensor wouldn’t I be getting a code for it? Or even if it was the injectors I would think I’d get a lean or rich code.
 
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Old Dec 17, 2021 | 07:42 AM
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I would try replacing the crank sensor first, but don't go aftermarket. Stick with Mopar.
 
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