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What codes are showing? If it fires with ether it has spark. The issue has to be injectors not being triggered. You should be able to put a test light across the injector connector to check for ground signal. Check all the resistors. Check ALL grounds.
talked to the owner fast.....didn't know he has a power commander III piggy backed in the system. need to unplug that and try and start.
The welding could have fried either controller. Just passing on "bad" info,I weld on my stuff all the time with ecu's connected but I pay attention to putting ground clamp very close to weld area. Voltage follows the path of least resistance.Never place any electronics in the path to ground from electrode. So far it has always worked for me.
Quote from: fabr on May 12, 2019, 09:00:18 PMThe welding could have fried either controller. Just passing on "bad" info,I weld on my stuff all the time with ecu's connected but I pay attention to putting ground clamp very close to weld area. Voltage follows the path of least resistance.Never place any electronics in the path to ground from electrode. So far it has always worked for me.i have heard many state that and plenty of people don't have issues. i have seen that not work personally twice, so i always disconnect my batt. that's me though.