PCV question..
should i just delete the damn pcv and call it a day? if so, how do i manage that? all i know is i should use one breather on the driver side valve cover and one on the passenger side valve cover on the oil cap and block everything else? is that correct?
so did it throw codes or not? you said it didnt, but then you said EGR and AIR. plus, now will you get the brake/carb cleaner i was saying? was the car originally an export car or a US car? the algorithms(sp?) the programmers at GM used to set certain DTCs and the PCM's reaction to them being set are different for export cars than federal/california cars because the laws are different. we got to all be on the same page to help you get this settled.
so did it throw codes or not? you said it didnt, but then you said EGR and AIR. plus, now will you get the brake/carb cleaner i was saying? was the car originally an export car or a US car? the algorithms(sp?) the programmers at GM used to set certain DTCs and the PCM's reaction to them being set are different for export cars than federal/california cars because the laws are different. we got to all be on the same page to help you get this settled.
Maybe the IAC is sticking, take it off and spray it (and the hole it mounts in) really good with some carb cleaner, if that doesn't work try swap the IAC if you can.
i must mention this! while installing the intake i took off the TB cleaned it with WD40 and polished it! and i just read somewhere online that i shouldnt use wd40! how to check for bad iac and tps sensors? should i unplug them and see if it changes anything?...could any one please check what will happen if you disconnect both the sensors while idling? its too dark outside to check..thanks.
sprayed the hell out of the injectors, rails, intake borders and absolutely no change in idle...so i unplugged the iac car will idle at 1100 rpm very nicely. if i unplug the tps nothing changes! could it be a bad tps? when driving around town it sometimes drive VERY nice and smooth then out of a sudden it starts shaking and fluctuating in rpms. am going to take a full diagnostic scan today. what to look for?
took the tb out..its soaked in grease but idnt think its cause the problem though..should there be a space between the IAC and its inlet? imean should i see thru it if the tb is disconnected? bump!
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Verdad Gallardo i placed it on a towel to let it dry over night...can i spray wd40 over it before installing? the o ring is still intact.
cleaned the whole tb and iac, put them back together and nothing..i can tell something has changed; it would idle better for a while and then try to die VERY badly!..checked all the connections again, sprayed the hell out of the intake, injectors, tb with carb cleaner and no change in idle 
still no codes but egr and air. i think ill try to borrow a tb from someone and see how it goes...am ready to go ahead and burn the damn thing..
still no codes but egr and air. i think ill try to borrow a tb from someone and see how it goes...am ready to go ahead and burn the damn thing.. 
still no codes but egr and air. i think ill try to borrow a tb from someone and see how it goes...am ready to go ahead and burn the damn thing..[/QUOTE]Your car will not run good while it is STILL LOOKING!!!!!!!! for an EGR and A.I.R. system. You need to do this FIRST those two codes affect how your engine runs ...so I am told....FIND a good TUNER!
still no codes but egr and air. i think ill try to borrow a tb from someone and see how it goes...am ready to go ahead and burn the damn thing..Your car will not run good while it is STILL LOOKING!!!!!!!! for an EGR and A.I.R. system. You need to do this FIRST those two codes affect how your engine runs ...so I am told....FIND a good TUNER!
With that said op i believe you have some type of vacuum leak from a pcv problem or perhaps maybe even a cracked intake and its sucking in air somewhere. Why not just block off the pcv temporarily and remove the oil fill cap just for an hr or so and see if the motor runs better
His car will run absolutely fine without those things tuned out. I deleted my air and I was perfectly ok without a tune and I have 3 friends who have deleted their egr and air and never had an issue with it. The air system just injects cold air into the cats when the car is cold to help improve efficiency until the car warms ups so it has nothing to do with the engine and the egr is a valve that opens up at certain times which take exhaust gases and reintroduces them into the combustion chamber... Again its ok to help emissions but in no way is it beneficial to making the motor run better as there is nothing done to the fueling tables to help adjust for egr.
With that said op i believe you have some type of vacuum leak from a pcv problem or perhaps maybe even a cracked intake and its sucking in air somewhere. Why not just block off the pcv temporarily and remove the oil fill cap just for an hr or so and see if the motor runs better
With that said op i believe you have some type of vacuum leak from a pcv problem or perhaps maybe even a cracked intake and its sucking in air somewhere. Why not just block off the pcv temporarily and remove the oil fill cap just for an hr or so and see if the motor runs better
so i started the car and it was fine! but when i nail the throttle a huge cloud of black smoke comes out of the exhaust so i guessed its the injectors and i was right...i pulled the intake out and injector #7 was loose!! it came out in my hand!!! also, one of the injectors is missing the O ring clip/chip but the O ring is still there i noticed it after pulling the rail out (away from car) but is there anyway that it could go inside the head while engine is running? the orifice is too small for it though but am becoming so paranoid lol more info on this please!....it took me less than 20 mins to pull the intake out this time 
am not going to do it alone again! am doing it with my mechanic friend..lost all my self confidence lol
am not going to do it alone again! am doing it with my mechanic friend..lost all my self confidence lol Last edited by omarrakeen; Nov 2, 2011 at 09:22 AM.
