Air Filters

Air Filters: Breathing Clean for Your Nissan

Investing in quality components today can prevent costly repairs in the future. Trust Metro Nissan of Dallas to keep your vehicle in top condition. Air filters remove dirt, dust, and debris from intake air before it enters your engine. These pleated or foam elements protect internal components from abrasive particles. Your Pathfinder or Maxima requires unrestricted airflow through clean filters for proper combustion and maximum power output.

The Role of Engine Air Filtration

Filter media traps particles while allowing sufficient air volume to reach the combustion chambers. Modern engines require precise air-fuel ratios for efficient operation and emissions control. Dirty filters restrict airflow, causing rich fuel mixtures and reduced power. Some designs incorporate mass airflow sensors that measure intake volume. Your air intake system depends on proper filtration to protect expensive internal components from wear.

Why Air Filters Become Ineffective

Accumulated dirt gradually clogs filter pores, restricting airflow to the engine. Moisture exposure can cause paper filters to deteriorate and collapse. Operating in dusty environments accelerates contamination. Some filters become saturated with oil from crankcase ventilation systems. Physical damage from improper installation or housing defects allows unfiltered air bypass.

Signs Your Air Filter Needs Changing

Reduced acceleration response indicates restricted intake airflow. Decreased fuel economy results from compensating fuel system adjustments. Black exhaust smoke suggests overly rich mixtures from inadequate air supply. Visual inspection revealing heavily soiled media confirms replacement necessity. Genuine Nissan air filters maintain proper fit and filtration efficiency that cheaper alternatives consistently fail to deliver.

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