GMC Sonoma P Codes (Powertrain) P0100 - P0199

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

I Have A 2003 Gmc Sonoma 4cyl 2.2l With 140k Miles. It Has Had A Recurring Issue Where It Is Hard To Start When The Fuel Gauge Reads 1/4...

Svc. Engine Soon Lite Came On. Scan Gave Me P0300 Code: Random Misfire, And P0155: Ho2s Heater Performance Bank 2 Sensor 1. Replaced O2...

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...

2002 Sonoma, P0171 System Too Lean, Is Dumping Fuel, Runs Pretty Good Until Reaches Temp, Black Smoke Coming From Exhaust?

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...

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

As The Tittle Says. I Get A Lean Code P0171 But Only If I Use 87 Octane. I Verified This By Filling The Tank 3/4 Of The Way With 89 And...

I Have A 1997 Gmc Sonoma And I Have The Following Codes Popup Within The Last Month P0147 O2 Sensor P0300 Random Misfire I Have...