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white_knight · 03-29-2016, 05:52 AM

So I was driving around with a CEL for a couple of weeks.

I hooked up an OBD and found it was a P0420, which I then cleared, as I had this same issue around 12 months ago (I had the dealer replace the 02 sensor).

Immediately after I cleared it, I found the car became extremely sluggish at low revs, almost limp (it was fine when the CEL was on!).

For the record, I have the SpeedFactory UEL catted headers with a custom ECUTEK tune.

Thoughts?

03-29-2016, 05:52 AM	#1
white_knight Senior Member Join Date: Jul 2012 Drives: 2013 86 GTS - Pegasus White Location: Sydney, AU Posts: 237 Thanks: 88 Thanked 103 Times in 53 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Limp mode AFTER clearing CEL So I was driving around with a CEL for a couple of weeks. I hooked up an OBD and found it was a P0420, which I then cleared, as I had this same issue around 12 months ago (I had the dealer replace the 02 sensor). Immediately after I cleared it, I found the car became extremely sluggish at low revs, almost limp (it was fine when the CEL was on!). For the record, I have the SpeedFactory UEL catted headers with a custom ECUTEK tune. Thoughts?