rich

Having problems with Bank2 side, passenger, all plugs show rich/fouled and O2 is black. Now this started when I ran through some water, hesitation started, loss of power. Tested, plugs, coils, changed coil wires, check cylinder pressure, everything good. ran Seafoam, octane boost, no...

Hey all I am new to the thread an am looking for some help. I recently put a spectre cai intake on my tahoe and am starting to have some issues. First off I got a check engine light about an hour of driving after the cai. I bought some mass airflow sensor cleaner and cleaned that and the two...