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Sounds like it backfired during startup. What are your DME codes? If the throttle body did indeed take a voltage spike, or some sort of electrical gremlin bit it during the jump start/battery replacement, then it could cause a backfire through the intake. If it failed in a manner to affect the 5v reference circuits then it could cause a backfire through the intake. Incorrect cam timing can cause a backfire through the intake.
The list can continue to grow without DME codes. Start there and see where it goes. Beyond that its lot of speculation.
Skoot
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