I just finished having my Magnum put in and its been no bueno ever since then, I have the VSS box, electric to electric speedo calibrater, and the wiring harness from Modern Driveline. Drove it back home, I would press down the throttle and wouldn't accelerate, the maintenance wrench and my current miles to E and mileage was blank, speedo doesn't work as well. Also threw codes P0300 and P0720. Figured I needed a crank relearn so i did that and still nothing happened. I'm going in for my final tune sometime this week, should that correct this whole issue or is there a bigger picture? Id appreciate any guidance cause i can't find anything on internet.
Magnum XL is in limp mode and dont know why.
- Thread starter A_92Coupe
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- issue magnum xl transmission
Mine went into limp mode when my grounding wire came loose. Sounds like a wiring issue to me.....if they didnt get that right car wont run.
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