Quote:
Originally Posted by XProject
I had CEL (P0240) on and off for ~9k. I noticed that CEL came back on every time I took my car to the freeway and drove for >25 miles. Luckily, I haven't seen CEL for 3 months now. It went away by itself. I didn't code it out. Maybe because I filled up the bad gas? I don't know for sure what happened.
btw, I have an O2 spacer installed by the installer. Should I remove it?
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Why would you add another spacer? They DP already has spacers welded on as part of the design.