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07/02/2022 12:23 am
Topic starter
2007 Tahoe 5.3 auto, owned since new 235K been a great SUV. P0300 code random misfire all on bank 1. Goes into reduced power, hard shift, service Stabilitrak/Traction control. I have tryed every thing I can find on YouTube, Blogs even had a so called Machanic look t it for 3 weeks.
So my question is: What will cause a random misfire all on bank 1 and then trip reduced power S/T etc.
Thanks Scotty your the BEST. Kevin Aloha
2 Answers
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07/02/2022 12:47 am
A lot of things. Could be a failed control module.
You need a high diagnostic scan that will tell you more.
You could also have more than one problem.
Check out our FAQ for the misfiring.
