Well for the past 3 months ive been poppin this code..i replaced my air filter and still nothing,i have the airbox mod and s2 with nates 2.9 pulley...i knw i have a clogged cat since im boostin 24psi at redline in 4th gear..any suggestions...i have 33k,can i take the car into the dealer for warranty work

 

just gut your cat and delete the second 02 sensor or it just gonna end up clogged again

 

so the code is cuz of the clogged cat?

 

bump anyone else with some help?

 

clean the mas air. check for intake leaks. check all the vacuum lines for leaks.

 

get ur car refashed by the dealership with the TECH 2 TOOL our cars have 7 upgrades for them it will fix ur P0171 code it fixed mine and it will cost about 110 bucks

 

danm 110 bux?ill just stick with the light on...doesnt bother me that much,but im takin the car in for warranty work and hopefully they will find the problem..i bet he tells me the 2.9 is the problem

 

Take your MAF out and clean it with CRC MAF Cleaner. Then, either gut the cat and use HPTuners to delete the codes or get a new one. A backed up exhaust is more of an issue than the CEL you have.

 

ive had the clogged cat for about maybe 1 month or so,maybe little more..next week ill be ordered a zzp header/downpipe combo so hopefully that will be worth it,and for the MAF sesoner,im takin the car to the dealer ship to see if they wouldnt cover it..my warranty expires next month anyways,so if they void it i dont care

 

ok fine hurt ur engine its just that gm found that they have a problem and all u have to do is spend a little bit of money to get not 1 but 7 upgrades fixed

 

then they should do it for free. you can get your own scan tool for 110. if gm won't fix their known mistakes for free than my money won't go to them.

 

Little Update:

Took the car into the shop to lattoff and has been there for the past day..they found no leaks in the motor on any line,MAF sensor is in perfect conditon,they will try to flush my fuel system down and see if that fixs the problem...they told me im running lean at idle and even more leanier at top end

 

My buddies car was throwing this code the other day, a friend of ours who is a gm tech and i took it to the dealer on his day off and pulled it into the garage...ended up that there is a vacuum leak somewhere around the back of the sc....they just had the engine torn apart to replace the head due to warranty issues at another dealer, so he is going to take it back to have it checked...but they said it could be: supercharger gasket, head gasket, bad o rings, or unsealed valve cover....

same thing as my buddies...tell them to plug in the tech 2 tool and then spray carb cleaner around the sc...they should see a change....vac leak...im tellin ya...pm sleepyguy on here...he is the tech

 

i got the latest ecu reflash that was released for the s2 and it didnt help at all...the tech was workin on my car the whole day and couldnt find anything...hopefully tommorow something will pop up...

 

here is for hoping!!! his problem wasnt a reflash though... it was a leak

 

ill give them a call tommorow and see wats up...il ask them to do that and see if there is a change

 

good luck with it though!!! im gonna subscribe just to see what happens haha

 

Another UPdate..

Got car from dealer and i have 2 codes..p0300 random misfire and p0171 running lean..they checked everything that was possible and it cleared the codes,but later in the day it turned on again..only thing left to do was put back the s2 pulley and see wat happens

 

Update Last Post

 

i wouldn't gut the cat that can make a cars computer go nuts. but thats crazy dude good luck with that oh yeah 24 psi at redline 4th gear thats sick man

 

Well with us redline guys and the k&n intake if the silicon hose at the bottom becomes loose at all it will throw that code,and as soon as it became cooler i was throwing that code all the time so i decided to check the hose and sure enough it had become loose,cranked that bitch down and now no code.But since i see you have an ss/sc and that you are running 24 psi!!! at redline in 4th i'm gonna have to guess that you either a)blown the supercharger gasket somewhere or b)you blew the intake gasket or valve cover gasket somewhere.because if its constanly popping up you have a leak some where for sure.And also get that damn cat fixed under warranty before you blow something else up on the car.

 

thats the magic word i need BLOW..im not gonna change anything from now on..leave it as it is and ill let it blow by itself...cars pissin me off like crazy

car was at dealer for 2 days and they changed like 4 diffrent parts and nothing helped...they called GM and talked to them and they told them to check the gasket on the supercharger and that was the first thing they did...it was fine...MAF was fine..All lines were fine,Air box mod was done good,no leaks anywhere..only thing left to do was put back the s2 pulley and see what happens

 

Well, there is a new intake manifold gasket out thats supposed to seal better since the old ones supposedly had problems. If you still have problems, it might be an option, I'm not sure if anyone mentioned it to you as a possible point of inconvenience yet. I replaced mine with the updated part as soon as i put on my dual pass enplate.

 

reset the ecm


or take the tec2 and reset the trims.

THAT is what is causing the code.

 

well wat i did is i put the s2 pulley back on and drove the car around for about 100 miles...car feels stronger with the s2 pulley vs the 2.9,somethings tellin me that the 2.9 pulley that nate sent me isnt a
2.9..its prolly smaller and im maxing out the injecotors since ive had fuel cut with that pulley..

here's a comparison..supposly 2.9 vs s2 pulley