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I recently did a large amount of work to my bike to turn it into a bobber, including replace the problematic lower rocker box gasket on the rear cylinder. I now have oil in the intake and it's throwing several codes:
P0107 Map Sensor Open/Low
P0122 TPS1 Low
P0261 Front Injector Open/Low
P0263 Rear Injector Open/Low

the bike runs fine for a bit but then out of no where it throws the check engine light and begins to run like shit, difficult to keep running and going. I guess I would like some confirmation that I messed up installing the gasket before I start tearing apart the rocker boxes.

08 Sporty EFI 883
 

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Check all gaskets, hoses and clamps to make sure there are no leaks. Check to make sure all wiring related to FI is re-connected correctly. Vacuum leaks and bad/wrong connections are the biggest thing that happens.
 

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Bobby Bobby take a trip to new guy section, introduce yourself.
 
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