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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Japan, it was marketed as the Toyota Hilux Surf ( Japanese : トヨタ・ハイラックスサーフ , Hepburn : Toyota Hairakkususāfu ) and was withdrawn from the market in 2009.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. 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]

  4. 2009–2011 Toyota vehicle recalls - Wikipedia

    en.wikipedia.org/wiki/2009–2011_Toyota_vehicle...

    Toyota further demonstrated how Gilbert had allegedly shaved away wiring insulation, cut wires in the ETC, re-spliced them in a particular sequence, and added a control switch. [ 201 ] [ 208 ] Gilbert's financial motive, being paid by Sean Kane, was also questioned. [ 208 ]

  5. 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 ...

  6. 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.

  7. Toyota Alphard - Wikipedia

    en.wikipedia.org/wiki/Toyota_Alphard

    The Toyota Alphard (Japanese: トヨタ・アルファード, Hepburn: Toyota Arufādo) is a minivan produced by the Japanese automaker Toyota since 2002. It is available as a seven or eight-seater with petrol and hybrid engine options. Hybrid variants have been available since 2003, which incorporates Toyota's Hybrid Synergy Drive technology ...