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I have a catless eurocharged tune with 3” MBH Headers. I keep burning up O2 sensors (or at least getting lean bank codes). I had a pin hole in one collector that I had filled so I thought that was causing the issue, but I keep getting the CEL back. This is the second tube they have done on the car. Anyone else have this trouble?
I haven’t tried an O2 spacer yet, thoughts if this will help? I thought an $800 tune specifically for a catless exhaust wouldn’t need a spacer.
I have a catless eurocharged tune with 3” MBH Headers. I keep burning up O2 sensors (or at least getting lean bank codes). I had a pin hole in one collector that I had filled so I thought that was causing the issue, but I keep getting the CEL back. This is the second tube they have done on the car. Anyone else have this trouble?
I haven’t tried an O2 spacer yet, thoughts if this will help? I thought an $800 tune specifically for a catless exhaust wouldn’t need a spacer.
ya, their response was because of the pin hole that was in the weld. The shop is pretty far from my house so getting it up there is a chore. I haven’t really pushed the issue with them, I was kind of getting feelers here before I invest an entire day bringing the car up there.
That’s what I was going to try next for short money. I just didn’t know if the spacer would throw off the tune if it wasn’t getting enough for a reading. Cheapest easiest route I suppose. 20 mins time.
Last edited by cstanley92; Jun 6, 2024 at 09:13 AM.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
