Quote Originally Posted by Ry_Tower View Post
OCC is not really needed for a gas fed engine. More ideal for diesel vehicles.

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Thanks.... My Fortuner 2016 A/T has a 2.4 Diesel engine. Warranty would expire May this year. Would the installation of an OCC be difficult? How about maintaining it, could it be done during the PMS or should it be earlier? Is it difficult to maintain an OCC?