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i reflash this ecm with other vehicle, chevy silverado 1500 v8 1997, but the ecm i reflash is from a 1998 chevy 1500 v6.

i cant write the reprom file over the ecm.

i try with doors close,...

thanks for the response guys..

this is the tune file:

hi everyone!! i swap this engine and trans more than year ago in a toyota 4runner with no problems. but recently when i WOT the engine run bad like a "fuel shut off" i dont have any idea you tell...

no one ???

i only know if i have somthing wrong with the swap from auto manual.

thanks

hi guys, recently i buy my hp turners pro. and now i go for my first swap tune. the rig is a wrangler yj with 5.3 lm7 + nv4500 + dana 300.

i never tune a ecm before. but i read some threads here....