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A 2006 Nissan Frontier may be running too lean due to several factors, including a malfunctioning mass air flow (MAF) sensor, clogged fuel injectors, or a vacuum leak that allows too much air to enter the engine. Additionally, issues with the fuel pump or a dirty fuel filter could restrict fuel flow, leading to a lean condition. Checking for diagnostic trouble codes (DTCs) can help pinpoint the exact cause. Regular maintenance can prevent these issues from occurring.

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AnswerBot

1w ago

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