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Old 03-16-2017, 09:05 PM   #1
LA_85
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Join Date: Mar 2017
Location: Providence Forge
Posts: 9
5.3l swap popping

I recently i swapped my old 350 for a 5.3l LS. Took me months to do this. A few weekends ago it was time to turn the key to see what i had. And when i finally got the nerve to do so, my motor just pops back through the intake. I put my scanner on it and it gave me a code for "crankshaft sensor". Replaced it and still did the same thing. Can anyone out the there tell me what the problem is?
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