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2002 Toyota Tundra Misfire codes

  

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  • Hey Scotty, been watching your videos for years, and noticed a lot of the vehicles I  am referring my question too, you have worked with numerous times. 
    I recently purchased this 2002 Tundra 4wd, 157k miles. It was a one owner, with every kept maintenance record since purchase. A few days after owning/driving I finally needed a fill up, a few hours after my fill up I went for about a 30 minute drive, once I got to were I was going truck began to idle though then eventually died. No stored CEL code light just started back up and made it home just fine. The next day, same issue. Out of curiosity I decided to run my scan tool and had codes P0300-P0308, random multiple misfires. My truck is now rough idling after about 3 minutes of warming up and then stalls out eventually with a flashing CEL and same codes listed before. I have cleaned MAF sensor, changed plugs, cleaned throttle body, replaced cracked vacuum lines and replaced clamps with all new. Same issue is still occurring, I’m kind of cleaning toward bad fuel since this happened after a full up but, just wondering if you might have some insight before I dig to much deeper. Thanks, Nick

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I would check live data to see if there's anything obviously amiss.


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