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Jul 11, 2017 · A/F sensors are smarter oxygen sensors and used on newer vehicles to fine-tune the air-fuel mixture to reduce emissions (and increase performance on high-performance models). The Federal (non-California) versions w/the 1MZ-FE V6 engine have Three Oxygen Sensors (or A/F sensors, depending on the source).
Nov 17, 2015 · Vehicles built after 1996 will have at least two O2 sensors; 4 cylinder engines will have two oxygen sensors; V-6 and V-8 engines will usually have 3 or 4 oxygen sensors; The sensors will have 1-4 wires on them; The front sensor(s) will be located under the hood, on the exhaust, very close to the engine
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- Dave Crowley
Sep 12, 2023 · How many o2 sensors does a v6 have? For a vehicle with a V6 engine and dual exhaust pipes, four oxygen sensors are typically installed. This is because each exhaust stack typically has a pair of oxygen sensors, including an upstream (front) and downstream (rear) sensor.
Jan 23, 2016 · There are indeed 4 oxygen sensors on the 3.6L V6. The AC Delco part numbers are: 12594452 Front (2 required) - located in each exhaust manifold; 12608662 Rear Left - located after cat; 12608663 Rear Right - located after cat; At the time of this post, Rock Auto has them for $35.79 (fronts, each), $40.79 (rear left), and $45.79 (rear right).
Sep 25, 2023 · How Many Oxygen Sensors Do Vehicles Have? Most cars have at least two. The number depends on the vehicle’s year, make, and model. Engine size can also play a factor. Generally, here’s an oxygen sensor after your catalytic converter. If your car has a v6 engine, it’s supposed to have two catalytic converters and two downstream sensors.
How Many Oxygen Sensors Are in a Car? Cars with O2 sensors have a minimum of one sensor in front of the catalytic converter, as well as one in each of the car’s exhaust manifold. The actual number of oxygen sensors for a car depends on the year, make, model and engine. However, most of the later model vehicles have four oxygen sensors.
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Jul 13, 2023 · Hello, There are four oxygen sensors on this vehicle. Two in the front and two in the rear of the engine. I attached some diagrams below showing the connector locations on the engine, the sensor will plug in there where it is highlighted and screw into the exhaust pipe either on the catalytic converter or the pipe itself.
