after my headers were on my car threw a p1133 code, manufacturer control fuel air meterains. whats than mean and what do i gotta do to fix it
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06-01-2010
after my headers were on my car threw a p1133 code, manufacturer control fuel air meterains. whats than mean and what do i gotta do to fix it
06-01-2010
did u extend o2 wires or extend o2 harness?
Originally Posted by SuperSport
06-01-2010
yea i got an extension harness on it
06-01-2010
hmmmm its o2 related. any extension or o2 wires burned maybe?
Originally Posted by SuperSport
06-01-2010
i dont think so when i checked it last everything looked good no wires touching the headers, i think i have a small leak coming from where the front header bolts to the engine that could possibly be it? i also deleted my cat couldnt that do it because of the rear o2
06-01-2010
usually p0420 pops up for no cat... thats the only code i have present for not having a cat... i dunno bout a exhaust leak causing it.
Originally Posted by SuperSport
06-01-2010
hmm i dono what else it could be
06-01-2010
its an exhaust leak b4 the o2 sensor....usually at the collector...i had the same problem till i got all my leaks fixed....your leaking somewhere....that code is for inefficient switching of the narrowband o2 sensor which means it thinks your running lean right now since so much air is in your exhaust readings due to the leak.
06-02-2010
thats what i was thinking any ideas why it would be leaking straight off the head like that? i tightened down the bolts as much as i could, i have a feeling i have a leak at my EGR too il have to RTV it
06-02-2010
what manifold gaskets did you use?
06-02-2010
the ones that came with them, i was thinking about getting some GM ones would that be better?
06-02-2010
yes, get some GM or felpros. those will work a million times better.
06-02-2010
ok thanks alot should i do the same with the gasket where the straight pipe meets the stock exhaust? because i cant get that to seal good
06-02-2010
x2
06-02-2010
i reused the stock ones and i have no leaks.....(aluminum)
06-05-2010
I have two leaks at the crossover front and collector. I also have the same code and my LFT's are maxed and the 02 at idle sits at 50 and doesnt switch between high and low values. I used no RTV or sealant on my slip joints. Im gonna try some and see what happens. Glad I came across this Ive been trying to figure outis going on. I thought it was a vac leak but coudnt find one
Last edited by 01gpgt01; 06-05-2010 at 02:04 PM.
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