cj1 Posted March 17, 2014 Report Share Posted March 17, 2014 When i bought the 1.0 Lupo for my girlfriend, there was a crack in the cat which was causing a fault on the lambda sensor, welded this up and reset the warning light. It has been fine till today, the warning light re-illuminated. Plugged it in at work, came up with a few EGR faults (can't remember exactly what they were) cleared them off just to ensure they weren't old codes.Got home, rescanned car and it came up with 16517 - Oxygen (Lambda) Sensor B1 S1 P0133 - 35-10 - Response too Slow - Intermittent The car has been driving fine. Can anyone shed some light on whether or not it would be the EGR, or the lambda sensor causing this faults? IE "Red Herring" as they say. Planning on either taking the EGR off myself and cleaning it, or having it done at work, along with throttle body. Is it worth changing the sensor? And which one would this code relate to? Many thanks, Quote Link to comment Share on other sites More sharing options...
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