USNengineman
Senior Member
- Joined
- May 1, 2020
- Threads
- 30
- Messages
- 421
- Reaction score
- 191
- Location
- SoCal
- Vehicle(s)
- 2023 Chevy Colorado z71
- Thread starter
- #16
hey uhhh, how tf do you put the log in a zip file?? lolI can't speak to the bog you're talking about but I think Map 3 targets about 24 psi and sometimes you may see an overshoot. I've hit as high as 26.3 psi.
Believe it or not nothing seems terribly wrong based on your post although a datalog would be good. Those cylinder "misfires" aren't true misfires and as long as you aren't getting tons of knocks per minute, you should be OK. In other words, 15 in 5 minutes isn't a big deal. 100 in 1 minute is.
You said you let knock get down to .55 versus .49, so are you using 93 octane? Was it very hot outside during your run?
Then you said you uploaded the factory tune and saw .80 knock control. Remember that when you upload a new tune knock control starts high. The factory tune probably just starts out that high.
BTW, knock control does slowly go down depending on how you drive while it's stabilizing. Again, normal.
To upload a log, put it in a .zip file. It can then can be uploaded that way.
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