You didn't put the MAF in backwards did you? I know it's something dumb but it could happen..

 

What is the right way

 

Def not it backwards

 

maybe a Throttle position sensor?

 

That could be a def possibility if u ask me. Ive had issues with the TPS in my old car, it would bog and go ape sh*t on me

 

The arrow on the sensor points up (towards the direction of airflow).

 

Also the screw holes are offset to keep you from putting it in backwards.

Have you Re-tuned the car after the intake? I know i had my car tuned before i got my intake and after I put the intake on my car ran a little funny.

 

Yes they are, but people still seem to be able to install it backwards. This used to be one of the most common issues when people installed intakes on these cars.

 

I thought I read he did get a tune, it ran decent after and then it fell on its face again

 

I'm just gonna take it off and put the other AEM intake on and old tune,then just to see what's wrong with it. I had copper plugs in it and it would hesitate.Regapped them to .033,ran fine,did the intake and tuned it.Ran like crap so I put in irduim plugs and still runs like crap. . I was throwing a PO302,cylinder 2 now its misfiring in cylinder 4. So fustrating UGH

 

I feel your pain dude, hope it goes away when u put the other parts back on. If not, i'd bring it to a shop and get it looked at in depth. Good luck man!

 

im looking at the intake now

and it says this below

This is a true full length 3" aluminum intake tube, not just a shorty pipe or a 2.5" tube that is expanded in enough spots to claim that it is 3 inches in diameter. ZZP spends the extra time to make a great looking, lighter than stock, and over performing product. Power gains are typically between 8-12 whp and it is noticeably louder than the stock OEM piece. When changing the size and shape of the tube that the MAF is in, it is recommended that the PCM file be tweaked to compensate. Not required, but it could set a P0171 code.

 

I'm not throwing a PO171

 

yea i just skimpped thru the thread as im about to purchase this intake as well

after i posted i saw u were having more serious problems with misfires in certain cylinders instead of p0300 random misfire

 

if you replaced the ignition parts, and the injectors, and the intake isnt leaking anywhere, that would throw a lean code though, then sorry to say your missfire is mechanical buddy

 

Im going back to the stage 2 tune. IF I can't figure it out,its going to the stealership and see if they will cover it up warranty.

 

I took the car to the stealership and they told me its the injectors. I dont understand because I swapped them out already. Anyone has a issue with crank or cam sensor causing a P0300 and PO172? I have done so much that those are the only things I haven't touched.

 

I have a 2007 Chevy cobalt 2.2 4cyl Lt. my check engine light is on, also the traction service light. check engine light is reading PO3O2. I have replaced cylinder number two, spark plug in number 2, fuel injector..not sure what else to do. Cylinder 2 is also getting low compresion of 90.