If you have a big thick ground from the engine to the body, it shouldn’t matter, but grounds can be funny things. I have gotten multiple bad new sensors over the past few years.
It's a stock efi swap other than fuel pump.
Battery in trunk- #1 ground and pos
Fuel reads steady on regulator when parked
Starts right up and runs well. But as soon as drive it a couple miles it would buck, trans wouldn't shift right, and would die as soon as a stopped.
-removed/cleaned TB
-replaced IAC with OEM
same problem.
-replaced TBS with Dorman
car drove GREAT for 5 miles, then bucking and unhappiness started back!
