GMC CHECK ENGINE LIGHT

I Am Wndering If Thair Is A Way To Diegnoise Or Run A Scan Thru The On Board Computer Thru A Flash Cde Method Other Than Useing A Scan Tool

How Do We Monitor A Serial Data Line Without Using A Scan Tool

How Much Should I Expect To Pay For A Repair Or My Vss On My 1996 Monte Carlo Ls? The Car Speedometer Will Drop To Zero, No Ses Light And...

Service Engine Light Came On Oil Pressure Goes Up When Throttle Goes Up And Then Goes Back To Normal When Let Off

The Engine Light Is Not On But I Hook My Obd 1 Scanner And It Shows That Codes Are Stored. Is That Normal Because My Scanner Won't Erase...

2004 Gmc Sierra V8 Four Wheel Drive Automatic My Engine Light Is On And It Tells Me To Tighten My Fuel Cover, So I Put On A New Cover...

I Have A 99 Ck1500 Vortec 350 W/68000 Miles. The Problem Shows Up When The Truck Is At An Idle It Codes In P306 Or Cyl. 6 Misfire. Im At...

My Service Engine Soon Light Came On. I Took My Truck To The Gmc Dealer. He Said It Needed A New O2 Sensor Along With A New Fuel Filter....

Check Engine Light Keeps Coming On When I Reset The Onboard Computer With My Obd2 Car Reader It Says That My Timing Over Advanced Or System...

I Went To My Local Auto Parts Store To Have Them Read The Computer And It Shows Nothing At All. We Checked All The Fuses And All Were Fine....