Check Engine Light Codes

It happend today, my car felt like it was missing and falling on its face, than my SES light actually flashed. Never saw it flash before.
Last edited by chemicalstylez; May 27, 2008 at 09:07 PM.
Should I just go ahead and replace em both? wiring looks fine and a fresh set could never hurt. What do you think? ACDelco still the best?
Auto Zone said it was the 02 sensors . Which is it pray tell ?
CODES P0171 & P0174
Last edited by THE BIG KAHOONA; Jun 6, 2010 at 11:05 AM.
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I am getting two codes. The first one is 043 Elec Spark Control (ESC) Module or Sensor Problem. The other one is 084 Output Driver Module (ODM) Fault Skip Shift Circut.
I put a new MSD distributor on when I was putting the car back together and the car seems to run fine. So I am having some trouble figuring out what the codes are there for... anyone have any ideas or suggestions? Thanks.
Can anyone offer any advice please? My ride is a 99 Trans Am Conv.
Codes:
P0801
P080C
P0056
P0036
P069E
P2534



