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i have recently replaced my knock sensors with ls2 flat response type on the side of the block... i used a racetronix adapter and im getting knock at idle... when i drive it dosent do it........ ...

im putting a 5.3 in a s10. have a current performance wiring harness. all grounds double checked, have power at the plug... hp or scantool will not connect..

some of the OS on the 411 were used for the s10. do i need to start out with a 4.3 03 tune or build of the 2.2 or flash a camaro tune?

the tuck is a s10 with a ls1....

finishing a build and need some help on what pcm i need to use to try and use my vin. i have a 411 pcm from a 02 tahoe and my stock 2003 s10 pcm whitch one do i need to use to make it work. and what...

will keep at it and thank you....has anybody had a setup that just hated a tune untill u dial it in..

intake/injectors/everysensor/ was put on it for a 2002 5.3

its a 2002 tune on a 411pcm...

over 60 lbs of fuel pressure.....i was scratching my head wondering if i could have hooked up the feed/return lines backwards but dont think that will even run....it is the stock fuel system with new...

its a base 2002 truck tune...no wide band...check intake gaskets to make sure it wasent that and vacuum....rear 02s are still pluged in and the fronts are new....no exhast leaks as well....i did use...

just put 2005 5.3 in a 96 l31 truck...its going lean in closed loop...im new to this so take it easy

building an iron 5.7 with ported 243 heads flat tops and a ms4. i cant see spending a grand on a fast 102. thought about goin with a victor jr and a 4150 tb. cant find much on that setup. its goin...

thank you

i cant change the vin everything else works fine

did the 411 pcm on my 96 l31 and its telling me the OS want work... invalid checksum/invalid vin/OS pair

i was lookin to see if anyone had a pinout for the 411 swap to a 96 4x4 l31.. ive tried everywhere and had no luck... any help would be awsome.... Matt