GMC SONOMA TROUBLE CODE

I Have A 2001 Gmc Sonoma 2wd 2.2 Liter And Have The P0420 Code For Catylyst Efficiency Low Bank One. I Have A New Cat And Rear O2 Sensor So...

My Service Engine Soon Light Comes On Occasionally And Has Stored The Code P0171. I Can, T Find Any Vacuum Leaks And The Vehicle Has...

2002 Sonoma P0171 (system Too Lean Bank 1)replaced Ects, Cat Conv, 02 Sensor, Has Been Smoked For Leaks None Found, 02 Sensor Is Reading...

This Vehicle Had The Distributor Replaced By A G.M. Dealership, Due To The Cap And Rotor Melting. Every Since Then When The Vehicle Is...

Truck Is Running Lean, But Drives Good. Starts Acting Up When I Am Going Slow And In Idle But Not All The Time. I Have Replaced Fuel Tank...

The Truck Has A Hard Start Condition If Left Sitting More Than A Day Without Starting. Whether Cold Or Warmed To Operating Temperature. It...

My 1998 Gmc Sonoma Is Poping Out The Intake An The Ex? It Runs Badthe Codes Are Po300/po155/po102 Help?