Hello,
I recently installed a longtube header on my car and now it is or if feels like it is flooding out. The car will not go, especially after I just turned it on. When I installed the header I swapped the 02 Sensors meaning that the one at the cat went to the exhaust maniforld and the exhaust manifold was placed where the catalytic converter would be. The reason I did this was because the orginial set up was to short at the catalytic converter and the wire would not connect. The check engine light is on and the autozone employee said that I was getting a low voltage to the tranny code and that my 02 sensors were bad. Could the swap of the 02 Sensors be the problem ? Or should I purchase new 02 sensors ? Please help !!

 

I would swap out the sensors and put brand new ones in that should work thats what I did when I put my header on last yr .

 

umm upstream and downstream O2 sensord have different part numbers. Therefore I would think they are niot interchangeable.

just lengthen the wires with some extensions and put the correct sensors in the correct locations clear the codes, and see what remains

 

O2 sensors are quite important in how the car runs. Fix 'em.

 

i agree with darth.. if the O2 sensors are not reading right they can make you run too lean or too rich

 

Thanks to everyone who helped out. I bought new 02 sensors and replaced the new upstream sensor in its appropriate place and the car works great. I am waiting for the down stream sensor I ordered from Orielly's. I hope it has the extenison so that I can connect it. Once again Showsxt, Hemi4sp, Darthroush and buddhaman thank you. I really appreciated your help.

 

Your welcome and glad your sxt is running nicely. So what mods do you have and want to do .

 

I have Grenatelli wires, Custom CAI, Magnaflow exhaust and kirk long tube racing headers. I would like to add a MPX under pully, MPX 60 mm throttle body and Indy intake. Oh yeah and power program it either mega squirt or diablo sport. I was looking at your ride and it looks nice. what do you have on it so far ?

 

Well in my sxt I have every engine mod but nitrous turbo or megasquirt. Outside I have a mopar lip kit , srt spoiler , borla exhaust , tinted black led tails and all blacked out mopar 3ds, black halo projector headlights with eyelids and matching foglights and airtabs for a custom vortex generator and red grill inserts. I have a ton more but cant think of everything thats on my or inside.