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02 sensor issue really confusing me.... 700

posted by  someone claiming to be ibs740 on  Tue Nov 30 15:19 CST 2010 [RELATED]

Do the pinch (gently) the fuel return line test. Pinching it raises the fuel pressure making the mixture richer resulting in an O2 sensor change. Releasing the pinch makes it go the other way. Personally I won't use a generic (V-8 Mustang) sensor after my 3 week nightmare to discover the rolled joint of the sensor head leaking causing a rich condition. NGK or Bosch only. Yeah, yeah I know the heads are all the same but how the attach the head is different.

ian






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New 02 sensor issue really confusing me.... [700]
posted by  RobCooper  on Thu Nov 25 04:52 CST 2010 >


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