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Q: how many oxygen sensors are on a ford f150 4.6 and where
on 1997 Ford F-150

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how many oxygen sensors
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Look at www.rockauto.com they will identify the number of sensors on your truck by application.After you use a scan tool to retrieve trouble codes and identify which sensor is bad Oxygen sensors are identified by bank and sensor position. Sensor 1 is always pre catalytic converter, sensor two is always post catalytic converter. If an engine is a 4 or 6 cylinder engine the whole engine is considered bank 1, if an engine is a V6, V8, V10....., the engine bank containing cylinder number 1 (first cylinder in the firing order) is considered Bank 1, the other bank is considered Bank 2. Interpretation Oxygen sensor designation B2S1 refers to Bank 2 Sensor 1, it will be the sensor on the engine side of the catalytic converter in bank two. Check this link to determine the cylinder that contains cylinder number 1. http://www.wellsve.com/custom_searches/ds_firing.php
hi pat. where is Dave these days?? hope you are having a good weekend. I am working all the way through tomorrow night

Roy
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