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LS2 P0300 code help

Old Sep 23, 2016 | 09:47 PM
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Default LS2 P0300 code help

Got a problem with LS swap and need some help with clearing P0300 code. It started as a pending and changed to stored.

Here is a startup video taken to check fuel pressure. I'm not sure if the whistle/whine is normal to LS2, belt squeal, or a leak.
https://dumdumdumdumdumdumdum/eNCA

Not sure how to read/understand fuel trims. (scanner image below)
STF%T bank 1 is 1.56, but STFT bank 1 sensor 2 is 99.22. Which should I be reading?

PDD:
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Background info:
2005 LS2 24x, approx 35k miles
manual trans
fuel pressure approx 57-58 psi measured at fuel rail (stock jeep fuel pump)
rear O2 sensors turned off
New plugs, wires, and injectors
obdwiz pro scanner


Thanks,
Chan
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Old Sep 23, 2016 | 09:47 PM
  #2  
nychan's Avatar
Thread Starter
Teching In
 
Joined: Nov 2012
Posts: 8
Likes: 1
Default misfire info

Some of the misfires are increasing. How many misfires trigger a trouble code?

Info below is: initial onboard misfire monitor, misfires (had to do 2 screen shot to capture it all), and updated onboard misfire monitor.

misfire monitor orig:
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misfire 1:
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misfire 2:
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misfire monitor update:
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Size:  119.1 KB
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