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dhawtin
04-26-2008, 07:52 PM
Hey,
I have an 05 Mazda 3 Sedan 2.0. I have a vibrant header and high flow cat exhuast system. I am having idoling problems and my horse power is very low, the car is not running like it use to. I suspect there is a problem with the O2 sensors and my MAF sensor in my air intake as well to have this kind of problem. I was wondering if I could get your opinon on where I should go to get this problem checked out and if there are aftermarket MAF and O2 sensors for the Mazda 3? Thanks guys.

Notorious MS3
04-26-2008, 11:22 PM
Do you have CEL? I would take it to a mechanic asap.

dhawtin
04-27-2008, 09:27 PM
What is CEL?

RemaerdLacidar
04-27-2008, 09:50 PM
CEL = Check Engine Light.

I recommend checking to make sure the wires connecting to the MAF are all intact.. members have reported those wires coming lose from the MAF and have caused similar problems