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  2. Toyota 4Runner - Wikipedia

    en.wikipedia.org/wiki/Toyota_4Runner

    The Toyota 4Runner is an SUV manufactured by the Japanese automaker Toyota and marketed globally since 1984, across six generations. In Japan, it was marketed as the Toyota Hilux Surf ( Japanese : トヨタ・ハイラックスサーフ , Hepburn : Toyota Hairakkususāfu ) and was withdrawn from the market in 2009.

  3. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

  4. Mass flow sensor - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_sensor

    The hot film MAF sensor works somewhat similar to the hot wire MAF sensor, but instead it usually outputs a frequency signal. This sensor uses a hot film-grid instead of a hot wire. [3] It is commonly found in late 1980s and early 1990s fuel-injected vehicles. The output frequency is directly proportional to the air mass entering the engine.

  5. 2025 Toyota 4Runner Starts at $42,220, Top Trims Cost ... - AOL

    www.aol.com/finance/2025-toyota-4runner-starts...

    The all-new sixth-generation Toyota 4Runner's pricing starts at $40,770 for a base SR5 in 2WD, before a $1450 destination fee. The top trim Trailhunter and TRD Pro start at $66,900 before $1450 fee.

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  7. Catalytic converter - Wikipedia

    en.wikipedia.org/wiki/Catalytic_converter

    The oxygen sensor is the basis of the closed-loop control system on a spark-ignited rich-burn engine; however, it is also used for diagnostics. In vehicles with OBD II, a second oxygen sensor is fitted after the catalytic converter to monitor the O 2 levels. The O 2 levels are monitored to see the efficiency of the burn process. The on-board ...

  8. Upstream price - Wikipedia

    en.wikipedia.org/wiki/Upstream_price

    An upstream price is the price of one of the main inputs of production (for processing/manufacturing etc.) or a price quoted on higher market levels (e.g. wholesale markets). Upstream prices are the prices paid by producers (as opposed to consumers ), and are directly related to the cost of production .

  9. Oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Oxygen_sensor

    An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device that measures the proportion of oxygen (O 2) in the gas or liquid being analyzed. [1] It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Günter Bauman. [1]