Has anyone had any issues with their o2 sensors(front obviously) not heating up or heating up to much after LT header install(specificlly coated Pacesetters)?

 

me but whenever i got a new tune in it all went away...no tuning to do so either. I think it was the pcm that i got. I think that White1 had that problem. might wanna pm him.

 

What codes are you getting. I have PO 1133/1153 probably due to not heating up enough with my LT's.

 

after installing my pacesetter LTs and ORY i haven't had a single problem with 02s, either set. i haven't even thrown an SES code for the rears and i don't have 02 sims OR tuning to turn them off

 

Nah Pasesetter hasnt got off their *** and made them fit 4wd's yet. Saw Hookers are suposed to fit 4x4's though? Hmmmmm. More options coming available, Pasesetter better hurry up.

 

my truck idles like crap with the long tubes on it. after i take my cam out im going to get it tuned in the comp.

 

Here is what is happening. The dtc I keep getting is p0200(injector circuit malfunction) but I have the o2 dtc's turned off. Basiclly when I crank the truck in the morning it idles horribly like it wants to do. When I start to drive it its does the same(basiclly undriveable) thing it starts to load up and sputter but if I put it in 2nd gear and get into high rpms for a few seconds then put it back in drive it goes away mostly. Then sometimes if I go somewhere and park it for a 20 minutes or so and come back everyhting is fine other times its back to idleing horrible. It feels like when your running with 7 spark plugs except it has all the power it just doesnt want to open up and for the most part up in high rpms is great. I dont have any exhasut leaks,no bad plugs,wires arent touching the headers,and I just replaced the o2 sensors a few days ago. Ive cleaned the TB and made sure all the injectors are connected. I do have a descreened stock MAF(been descreened for a year) and saw where people have had issues with LT's and aftermarket and descreened stock MAFs but I havent seen any DTC's about it. Alot of the F-bod guys have troubles with their o2 sensors(front) after LT installs where the 02's werent heating up properly and staying heated up becuase they are farther away than stock. I dont know what this is but Im gonna clean the MAF and turn it a bit and if that doesnt work im gonna bring it in under warranty( ) to get a new one. Im also gonna try some header wrap,and if that fails im gonna do the vette 02's(they are higher volts and heat quicker supposodly),and if that fails I guess Im gonna have to move the o2 sensors up a bit and if any of you are familiar with the Pacesetter LT's there isnt but maybe 6 inchs to move them up so I dont see that working. Help! Oh and byt he way the LTFT B1 & B2 are reading almost the same as well as the STFT B1 & B2 so the 02's are good.

 

With an injector circuit malfunction code I'd be checking out the connections at the injectors. 1slowhoe had a problem where the wire terminals were spread out and not making a good connection...not sure what code he was getting but I know it drove him nuts for a while.

 

couldn't you just put a set of sims in the place of the 02's

 

I have already removed the rear (2) o2's and have them turned off on the PCM the ones I am talking about are the front (2). I guess techniclly I could remove them and not use any 02's but I dont want to got hat route!