Header installed..no antifouler..no o2 sim..no CEL?
Hey I have installed my alphawerks header several days ago and I have ran a few hundred miles..I haven't installed the o2 sim yet because there is no CEL right now...Will the CEL defintely turn on sooner or later? I was just wondering if there are others out there that installed a header without running o2 sim or antifouler and are CEL free. If so, how long?
Hey,
Once the engine completes enough cycles and pulls enough samples giving the ecu the parameters it needs to give the CEL. So yeah it is only a matter of time. But that is what the processor is for!
Victor D.
Nexus Industry
Once the engine completes enough cycles and pulls enough samples giving the ecu the parameters it needs to give the CEL. So yeah it is only a matter of time. But that is what the processor is for!

Victor D.
Nexus Industry
I'd say let it run and see. The response above was dead on. The ECUs in todays cars take several "trips" before setting and clearing certain codes. If it never appears, sell the o2 sim to someone who needs it
After how many miles did you get the CEL?
I just got my tC with the Alphawerks header pre-installed from the dealer. They told me I shouldn't get the CEL, but I'm not sure which method they used to avoid that.
I just got my tC with the Alphawerks header pre-installed from the dealer. They told me I shouldn't get the CEL, but I'm not sure which method they used to avoid that.
Originally Posted by joseraul
After how many miles did you get the CEL?
I just got my tC with the Alphawerks header pre-installed from the dealer. They told me I shouldn't get the CEL, but I'm not sure which method they used to avoid that.
I just got my tC with the Alphawerks header pre-installed from the dealer. They told me I shouldn't get the CEL, but I'm not sure which method they used to avoid that.
i installed my hp header and the cell did not appear until after a couple of days. i hope it dosnt happen to you but if it does have no worries. the anti fouler worked for me and all it cost was like 5 bucks.
Originally Posted by Onikage
Bypassing the CEL like that with O2 sims and antifoulers makes me wonder. Is the car gonna pass smog later on?
Originally Posted by Dr. Isotope
Originally Posted by Onikage
Bypassing the CEL like that with O2 sims and antifoulers makes me wonder. Is the car gonna pass smog later on?
Originally Posted by Dr. Isotope
Originally Posted by Onikage
Bypassing the CEL like that with O2 sims and antifoulers makes me wonder. Is the car gonna pass smog later on?





