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2014 Frontier V6 DTC P0304 Upper Plenum Removal.

02-16-2023, 07:42 PM
Wife was in California with my truck and it started misfiring. Took it to a friend's shop in town.
Replaced #4 plug, injector and coil. No mention of upper plenum gaskets.
Question: Can these be replaced without removing the upper plenum????
Thanks in advance...HJ...

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