p0300 help, log and tune attached

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Nov 16, 2007 | 10:50 AM

02NBMFormula

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From: Jax, Fl

p0300 help, log and tune attached

I keep on getting p0300 trouble code which is random misfire. ive changed the plugs, changed o2 sensors and plan on swapping coils with a friend this sat. to see if that fixes anything. i originally posted this in the f/i section because i thought the blower might be doing something funny.
https://ls1tech.com/forums/forced-induction/810981-p0300-code-when-car-stopped.html

thanks for the help, i really appreciate it.

peace

Attached Files

missfire 3.hpl (43.7 KB, 51 views)

vengence blown tune, tranny 6100 1st fan 80mph leetranny timing 16degrees.hpt (460.9 KB, 243 views)

Nov 16, 2007 | 11:29 AM

Frost

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From: Richmond VA

all of your misfire tables are totally stock... with a stall and a blower changing things up down low these tables are commonly too sensitive... I raised your misfire tables just slightly, load this up and see if you still get misfires. Also, log for misfire by cylinder and see if you get counts on one or two cylinders or one side of the engine, etc..

try this out:

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try1.hpt (460.9 KB, 76 views)

Nov 16, 2007 | 11:38 AM

Tuner@Straightline

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I noticed that a lot of the tables were stock, or close too. If you still get misfires, send me your email and I'll give you a .cfg to try and locate the hole.

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