Codes 0410 and 1153

whitelite · 11-20-2005, 10:16 AM

I have these codes appearing more and more frequently (daily now) since my header and nitrous install. Can these just be shut off or is there a bad O2 sensor or something. My last dyno showed my a/f ratio start at 12.1 at 3k rpm but going to 10.8 at 3300 and stay there. Isn't this too rich, even for a modded car......see sig

Thanks,
Randy

dpd · 11-20-2005, 04:31 PM

410 is a secondary air fault.1153 is a fault for the left front o2 sensor for insufficent switching[lazy]