P CODES (POWERTRAIN) P0100 - P0199 P0171

My Check Engine Light Started Blinking Then Stopped And Doesn't Show. I Have Had A P0171 Code Before When It Came On. Just Curious As To...

I Am Getting This Code. I Have Done Everything The Code Says And The Light Is Still On. The Car Now Runs A Whole Lot Better But I Cannot...

I Am Receiving A P0131, P0300, And A P0171. I Replaced The Bank 1 Sensor 1 O2 Sensor On 6/21/2013. I Cleared All Codes But By The Next...

The Engine Is Factory Supercharged W/ K&n Breather Filter. Cannot Pass Smog. P0171 Dtc, (bank 1 Lean Condition), Stft1 +/- 10%, Ltft1...

There Is A Long Cranking Time Before Starting, Code P0171 System Too Lean Bank 1. I Checked And Found No Vacuum Leaks. I Clean Mostly All...

There Is A Common Leak In The Intake For This Specific Truck.

My Check Engine Light Came On This Morning As Soon As I Cranked It Up. I Took It To Advance Auto And They Read The Obd Code And It's...

The Code P0171 On My Reader Says "system Too Lean Bank 1". After Failing Smog, I Realized I Would Have To Fix The Check Engine Code Instead...

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...

Service Engine Soon Light On Always! Gave It A Tune Up And Replaced Mas. Found A Vacuum Leak Where The Air Cleaner Mounts On Top Of Engine....