Contour Enthusiasts Group Archives Forums Modifications Duratec Performance Help me understand LT fuel trim

Yep, hit that nail on the head, Judge. Always driving that train

PA3L: codes I got were P1131 (bank 1 lean yada yada) and P070 (bank 1 lean yada yada). Unfortunately in my haste to explore the nether regions of OBDII, I managed to accidentally erase the freeze data. Oops. Anyway, doing a little search on these codes, it seems like the upper rear 02 is on the blink, or maybe the connector is acting up. Anyone know where I can rent a midget to get back in bank 1's exhaust manifold?

Car is a 99 SE Duratec MTX w/40k miles, Borla/Magnaflow exhaust, KKM, and no other engine mods.

Thanks for the information guys. It's good to see intelligent posts that are devoid of the usual high school banter about spoilers and big wheels.