CEL after berks HFC install

fryzia23 · 05-25-2015, 12:14 AM

Quote:

Originally Posted by dislimn

I have FI HFC and I occasionally get bank 1/2 lean codes. Those codes are coming from the secondary O2 sensors and can be disabled through UpRev or possibly defoulers.

If you getting lean codes from a/f upstream sensors, I would deff have that checked out. Your car might be running lean from your mods which isn't good for the long run.

NefariousZ34 · 05-26-2015, 05:16 PM

Thank you for the replies I'm working on getting an up rev tune right now actually. Looking to see if we need to crack the ECU or if it has been cracked. I believe it's running extremely rich which I believe is due to the car believing it's very lean I say this because I'm getting like 12 miles to the gallon right now

I'm at 77 miles after a full fill and almost at half a tank

I was wanting to wait on the uprev because I wanted to get more of my mods on first so I don't have to re tune but looks like I'm already passed that point.

I appreciate the replies!

NefariousZ34 · 06-01-2015, 09:27 PM

So I got the CEL again for those who wanted to know I'm getting P2098 and P2096 Post catalyst fuel trim system too lean bank one and two. Still looking at which tune I want just a little disappointed that this happened with the Berks wish I went with CNT or another HFC less expensive now...

Since it's getting the codes I specifically bought these damn cats so I don't run into code issues -.-

Edit for update: I cleared the codes already but took it to the shop I had installed them and they were able to scrounge around for some steel wool he shoved that in there. Will update in another couple hundred miles to see if this fixes it. Hopefully will have exhaust and tune by then so that would fix it anyway. But just in case for those who want to know if the steel wool method works I will know in about a week maybe less two at the most.

dislimn · 06-06-2015, 11:21 AM

Quote:

Originally Posted by fryzia23

If you getting lean codes from a/f upstream sensors, I would deff have that checked out. Your car might be running lean from your mods which isn't good for the long run.

"Post Catalyst" is the name of the code which leads me to believe these are the rear O2 sensors. "Post" meaning after.

06-01-2015, 09:27 PM	#3 (permalink)
NefariousZ34 Base Member Join Date: Mar 2015 Location: FWB, FL Posts: 230 Drives: 15 MB Nismo Z MT Rep Power: 11	So I got the CEL again for those who wanted to know I'm getting P2098 and P2096 Post catalyst fuel trim system too lean bank one and two. Still looking at which tune I want just a little disappointed that this happened with the Berks wish I went with CNT or another HFC less expensive now... Since it's getting the codes I specifically bought these damn cats so I don't run into code issues -.- Edit for update: I cleared the codes already but took it to the shop I had installed them and they were able to scrounge around for some steel wool he shoved that in there. Will update in another couple hundred miles to see if this fixes it. Hopefully will have exhaust and tune by then so that would fix it anyway. But just in case for those who want to know if the steel wool method works I will know in about a week maybe less two at the most. Last edited by NefariousZ34; 06-02-2015 at 11:55 PM.

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05-26-2015, 05:16 PM	#2 (permalink)
NefariousZ34 Base Member Join Date: Mar 2015 Location: FWB, FL Posts: 230 Drives: 15 MB Nismo Z MT Rep Power: 11	Thank you for the replies I'm working on getting an up rev tune right now actually. Looking to see if we need to crack the ECU or if it has been cracked. I believe it's running extremely rich which I believe is due to the car believing it's very lean I say this because I'm getting like 12 miles to the gallon right now I'm at 77 miles after a full fill and almost at half a tank I was wanting to wait on the uprev because I wanted to get more of my mods on first so I don't have to re tune but looks like I'm already passed that point. I appreciate the replies!