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Po171 Code. Car Hard To Start In Morning But Runs Great Afterwards.

Thank You So Much For Replying To My Question, Your Site Is Great. Anyhow, I Was Told That Probably It Wasn't My O2 Sensor But A...

I Just Got Done Fixing My Car And It Is Running Fine. But Recently I Got Po455 And Po441 Codes. I Checked The Gas Cap And It Looks Fine. I...

No Symptoms.

Every Now And Then When I Speed Up Fast And Shift Quickly My Engine Lights Come On And This Is The Code That My Reader Gives Me. My...

This Code Pops Up Instantly Upon Cranking Engine. I've Replaced The Ckp With Three Different Ones, Tested Them All, Have Continuity...

The Vehicle Listed Above Has A 5.3-liter Ls Engine. So When I Am Driving Down The Road My Car Will Just Shut Off But It Slowly Does It Like...

I Own A 1999 Silverado 1500 5.3l V8. All The Oxygen Sensors, Map, And Maf Sensors Have Been Replaced In The Past 5-6 Months. Every Few...

I Got This Code And When I Researched It, All The Sites Said To Replace The Purge Valve. So I Did. But Two Weeks Later The Code Came Back....

The Climate Control Panel Is Totally Off And There Is No Function. I Checked All Fuses And Heater Relay, That's Okay. I Changed The...