CEL
 

My car is throwing a CEL i had it read at auto zone. It was a bank 2 lean code. I have had probs with the CEL as soon as i started with the O/R H pipe. I have MILs, but i may have a bad O2 sensor. Do you think that this code could be comming from the O2s or am i really running lean? When i had my car dynoed a while back it ran super rich like high 10s low 11s in AFR. I was also going to ask what is the easiest way to fing out which O2 is bad or should i just change them all?

RE: CEL
 

When they run the computer they can tell you what side. Alot of people believe it or not do not know how to properly use those things. Where I live the people at auto zone know nothing. Find someone who knows how to use the scanner and then call Ford with the specs. I think mine was running rich when I put my H-pipe on with a bad O2.

RE: CEL
 

Yea man you are prob right, because i had my car on the dyno last year and was running rich as hell, but because i just installed my NX kit i want to make sure that it is running perfect.

RE: CEL
 

Both my rear O2's went after the H-pipe install. It took about a month for both to go. But I think they were the originals

RE: CEL
 

On a N/A car? Yuck! You need a tune, problem will most likely go away after that.

RE: CEL
 

i know i need a tune i hope to get an SCT soon, but i just dropped a ton of cash on the NX kit.

RE: CEL
 

i would get a tuner rather than 4 new oxygen sensors, 4 new would be like over 200 bucks....tune you could shut off the rear 02's then sell your mils!
Ryan

RE: CEL
 

superb!