hey guys!... i have an 08 cobalt ss/tc with the clear image tune... i tried putting a custom intake ( its just a small pipe to replace the air box and put the censor) and the car its not throwing any codes(check engine light) but it is not boosting at all.... any ideas why???

 

Well it is the intake of course, has nothing to do with the tune, the MAF sensor is EXTREMELY sensitive as to where it goes, also if you have any unmetered air going into the engine this will happen

 

Couldn't explain it better myself

 

Backwards MAF perhaps??

 

all custom intakes belong in here

 

xxxx2

 

try taking the negative off the battery to reset the ecu

 

IE: If the pipe is wider than the MAF is calibrated to believe or there is a loose or non-airtight connection after the MAF.

 

just buy my BNIB 09ss/tc intake for 250 shipped

 

i unpluged the battery and it still doing it... it works perfectly for about 3 minutes and now the check engine light is on... the maff sensor is in place and there is no air licking... any suggestions besides buying an intake?

 

dude replace your stock intake

 

pics of this intake? it's fairly tricky to make a well designed, working intake. the maf has to be in the right area, at the right angle, in the right size piping, etc. this is why we don't all piece together our own kits.

 

i am having this problem with my intake as well. Clear Image is working on an intake that will fix this problem

 

Dude, you need to seal off the vent hose air leak that you have right now, that might fix your problem. I have a custom tune and I installed a Dejon intake after I had it tuned and I have no issues to speak of. Still pulls hard, boosts the same as programmed (holds 21 all the way to redline) and my gas mileage has not changed so I do not think it is the design of the intake per say but maybe an air leak or maybe it is loose at the turbo connection make sure you check the connection at the turbo.

 

Hell yeah my 08 ss/ tc is doin the same thing I'm only boostin like 7 pounds!! But mine is the Dejon and I'm stock tuned

 

did you have the valve cover vent hose connection on your intake?

 

Damn this sucks to see all these problems with Dejon, i really like their stuff and i know they have quality parts hope they can fix the issue with a simple fix like mentioned above

 

How did u seal urz? Cus my vent hose is very lose

 

yeah it does suck.

 

thats why... you need a tune in order for the intake to work... my problem is that i replaced the airbox with a pipe and plug the sensor in but its not working... my boost is at 0 when i press the gas... when i disconect the battery and plug it back in it works for about 3 minutes and then the check engine light comes on... and it stops working...

 

^ that's what I need to know. How the hell do you seal it

 

Yeah but it fits very lose

 

where is the vent hose?? which one is it?

 

I used a 3/8 inch fuel line tool (you use to remove the fuel filters from fords) to remove the stock stainless hose for the car. A mechanic or auto store should have the tool. Then you need about 1.5 ft 3/8" ID heavy duty rubber hose and two hose clamps and you have fixed the problem. Or you can sometimes find a product in the help section of the autostore called an emissions hose someone else used that to fix theirs. It has a double berbed fitting that fits the stainless hose and a rubber hose that attaches to the other end of the barb and the intake. I know it is hard to understand, but I dont have pictures.

 

small nipple near the top of the intake with a clip hose that connect to your engine