Hey guy i'm new to the forums here. I have a 2006 Chevrolet Cobalt SS Supercharged mods are full intake knock off from ebay and magnaflow muffler with no resonator. My issue is I have a DTC p0102 code Mass Air Circuit low how do I fix? I've replace MAF got one from GM Brand new 111 bucks, new MAP Sensor Orielly auto parts 30 bucks and I've replaced all of my good and bad vacuum lines and checked and tightened all the fitting on my new intake and replace the filter with ractive A/F with heat shield. I also have a zzp performance pcm which for some reason wont throw any codes the car just runs like **** with the zzp pcm plugged in the the maf plugged in the car idles horrible and there is a dead spot between 2800 and 4000 rpms where the car does not accelerate at all it just sputters really bad and fouls out spark plugs really quick. On the other hand, I have plugged up the maf sensor and cut the signal wire to the Intake Air Temp sensor the car runs less rich the idle is not really rough at all just still a light hunt and the car accelerates hard and strong just have the check engine light on and the fuel economy is still kind of crappy can anyone please help???

 

it's the intake 100%

 

Have you cleaned the filter on the intake it might not be getting the right airflow

 

You need to do a case relearn when putting in a new ecm !!!!
Also is the new maf in the right way (arrow pointing towards engine).

Maybe you have a broken wire from the maf or to it ,(Some people have had this issue due to the wires being tight)

 

The problem came before I replaced the intake. The air filter is brand new and I suspected it would be oil getting on the maf but I replaced the maf couple months after the new filter. The maf is facing the right way yes i just checked. How do you do a relearn? I've went through all of the wires and they are giving the right resistance through all of them says the chiltons manual and the specified ohm meter.

 

OK guys got it fixed at GM. It was the metal leads inside the harness to the ecu and a crank position relearn procedure ran me about 416 dollars I hope thi will help the rest of you guys in the future if you have this trouble thanks to all the guys who applied to my forum....

 

Hey man can you tell me more? I am having the same problem p0102 i changed the MAF air and the MAP but it did not fix the problem what did you do to solve your problem?