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its been a while and it keeps getting worse. pulled the plugs and found #1 and #8 plugs where wet so i swapped out the injectors and still doing the same thing. here is a quick idle log and the tune...

How do I upload pictures here don't see a option. Maf is about 6 inchs away from the air filter and about a foot away from the tb. All pcv is to a catch can.

New oem sensors . Also timing will go into the negatives when this happens. It just hard to log because some days it won't do it other day it does it all day. What should I log for though?

i cant figure out whats happening. truck drives decent. its a 88 c1500 with a l83 swap with a psi harness and tune. truck drives decent fuel trims are about -10 but when coming to a stop it will...

just did some more reading and changes and still running lean. commanded afr is does change but afr on the wideband doesnt. please help want to go to the track friday.
here is the lastest tune i put...

wont rule it out but my problem is happening under boost so i dont see how i would have a vacuum leak. one thing i did see with my old setup was that the bov was open alot under vacuum and sucking...

ever since i change the pipe the truck has been running like crap.at first my time was way to hi and i fixed that and atleast i can drive it know. but at wot my afr goes to only 14-15 and my pe is...

ever find the solution. im having the same problem

my afr error never works... but my wide band is working through the my ac switch not through an eio

help please. when i start the log it says its an unsupported parameter.
here is my config.

well the fueling is right i meant to say rich not lean sorry. i have messed with the spark table,pe power enhancment, main ve,tm. i have been reading alot but its alot of crap to read. when i do wot...

my wide band is always good sometimes lean

93 octane

as far as mods i have a 6.0,4l60e,60lbs,stock motor, rear mount t70 with .68ar, water to air cooled,7-8psi.

with do everything you said and let you know. i need to get the w/b hooked up but i have...

where is the newest tune and log

went good i will post a log when i get home. timing stayed at 18-19* put now i have to lean it out because its going pig rich(10.2-10.8) at 7psi..... is that normal?

thank you c.u i did everything you said will let you know how everything goes

here is a quick log let me know if you need something else

i beleive everything is set to zero and max out already but ill check

at idle it does it sometimes but will driving regular at at wot it does it sometimes

i forgot to post the log it was really short cause i only drove around the block and it still doing it so i parked it. ill see if i can post the log when i get home. and my iat never get over 150 so...

i have tried everything it going to the min. timing advance which is 16 that i set it too....should i raise all the timing in the table that are low and negitive that are all the way to the left of...

that was my first tune the second tune is zeroed out

everytime i change the gauges and close the system it always goes back to the default gauges any way to save a custom set????

checked my tm in the tranny and everything was zeroed. i went into my min advance under spark retard at set it to 16 so it can never go lower then 16. if i get no knock ill raise it