check engine light

Ok so I have a 02 z71 Tahoe and the service engine light keeps coming on and off every now and then. I scanned it and it says system to lean in both banks. I put on a K&n cold air intake and made sure everything was tight. My fuel pressure is at 45 and I know it should be higher. I was having a...

I have an 07 Tahoe LT that has had the check engine light on for months and V4 mode is disabled and the car idles rough had seems to have lost power. The code is P0016 Camshaft/Crankshaft Pos Sensor (Bank A). I replaced the sensor and flashed the computer to reset. Light came back on, still runs...

I recently replaced my motor, fuel injection, everything!! And I was good for like 6 mos but recently I keep getting a p300 01 reading on the OBDii. It might even turn off by itself after a few days. But then its sure to come on again somewhere down the line. I even drove it on a trip and it...

My 06 Tahoe (5.3) has some weird issues... started by going into "reduced engine power" mode several times... I put in a new battery, seemed to solve problem, but now the electric locks all activate randomly while driving, airbag and engine lights go on and off randomly and air conditioning...