can not scan ecm while the car is running.
#1
Staging Lane
Thread Starter
iTrader: (3)
Join Date: Jul 2002
Location: lewisville
Posts: 94
Likes: 0
Received 0 Likes
on
0 Posts
can not scan ecm while the car is running.
When trying to tune the car if I try to scan it while driving it wont let me. it will scan if the engine is off. I'v swaped ecm, ran new wire to data port to ecm and tried new power and ground. any ideas