SethSwitch
New Member
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 system lean codes kept coming back. Next I went to the auto zone and they said I needed to really tighten up all the hoses which I did. After about a week I went back in and had the technician check the stft. I took this video of the results at idle and 3000 rpm. https://youtu.be/1Ms6uoDQ7n4 (3000 rpm stft = -6% / idle = 6.5%).
One thing I can think of is that I ran e85 the tank before the problems arose so I'm thinking the fuel filter my be clogged. Also fuel econ has been awful and engine start is slightly rough.
Any thought or suggestion appreciated.
Thanks, Seth
