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Discussion Starter #1
so i have a sem v2 with the driftmotion 1jz soarer patch harness. the car starts up and wont idle on its own. my map sensor and tps grounds are wired in together into the ecu.

so the i realized my ground on my map sensor was putting out 12v so i traced it to the ecu and the ecu itself is actually putting out 12v at sensor ground1 and sensor ground 2 its a 6050-1112 box. i can tell my map and tps dont respond on the program and i believe this is the issue. any ideas?
 

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Discussion Starter #2 (Edited)
for anyone that has this issue i had my aem uego afr gauge wired into my aem v2 ems and it was causing issues with the sensor ground causing voltage to run through the ground and disrupt the tps and map sensor since they are linked together. i wired the aem gauge as per the instructions in the manual so all i did was cut the wires and run the gauge seperatively from the ems. if i find a solution i will post
 
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