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You cleaned your 02 sensor your 1994 ford Ranger XLT with a a 30 engine Now the codes read rt and lt bank running lean should you replace or repair?
Wiki User
∙ 17y ago
you should NEVER clean an o2 sensor. they are very sensitive so you should replace them. ==POSSIBLE CAUSE= It is quite possible the cause of the code showing (lt bank running lean) is a contaminated Mass Air Sensor which you can usually take off and clean. It should be on the outside where your air cleaner box is. Use electronic tuner cleaner from Radio Shack; Part (#64-431515) if it's not too dirty. Be careful spraying the "hot" wire inside the sensor and then let dry 15 to 20 minutes. Stick no objects in there; they could break the "sensing" wire.
Wiki User
∙ 17y ago
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