Posidrive Posted July 17, 2015 Share Posted July 17, 2015 If the CEL comes on does the performance get cut back to help prevent damage? Just changed a bad pre cat lamda sensor and performance was still sluggish until I cleared the error. Quote Link to comment Share on other sites More sharing options...
DonCool Posted July 18, 2015 Share Posted July 18, 2015 The only time I have had an EWL with a performance drop has been due to a failed coil pack. It was intermittent for a couple of weeks then the car starting running like a bag of spanners permanently. Obviously, you need to get a fault reading to be sure. Quote Link to comment Share on other sites More sharing options...
Posidrive Posted July 18, 2015 Author Share Posted July 18, 2015 The only time I have had an EWL with a performance drop has been due to a failed coil pack. It was intermittent for a couple of weeks then the car starting running like a bag of spanners permanently. Obviously, you need to get a fault reading to be sure. The P1031 fault code was the reason that I changed the sensor. Took a couple of days to get around to clearing the code from the ECU because the reset button on my code reader had broken. Quote Link to comment Share on other sites More sharing options...
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