P CODES (POWERTRAIN) P0100 - P0199

My 98 Cavalier Is Failing Emissions, Started Out As Po171 Code, Then Others, Long Story Short, Every Single Sensor Has Been Replaced...

What Are The Reasons For This Code? And Where The Oil Is Put Into The Motor Is Dry But The Dipstick Has Oil On It, Is This Common?

Car Runs Rich And Miss At Certain Rpm.

Good Morning, I Have The Car Listed Above That Shuts Off At Idle Or Low Rpm (such As Coming To A Stop, Reversing, Stop Signs/stop...

Check Engine Light Is On. Getting Code P0171 Bank 1 & P0174 Bank 2 - Running Lean. Also Car Runs Rough Cold - Rpm Goes 2, 00 Then Down To...

How Do I Diagnose Po171 And Po174 After Mass Air Flow Replacement. I Had Mass Air Flow Sensor Dianosed By Mechanic And I Replaced To Save...

My Daughter's Van Listed Above Shuts Off At Any Unforeseen Time, (driving, Slowing Down, Taking Off). I'm Trying To Start With...

Since I Bought This Car Back In August I Have Been Getting A Mil And These Are The Codes. The Light Will Come On And Go Off Every Few Days...

So I've Have The Vehicle Listed Above 1.3cdti Mk5 And It Was Having A Check Engine Light Code Reading P0107. I Tried To Follow Some...

Hi All, New Member Here. Recently Bought A '97 Sc2 1.9l 5spd 119k Miles. And Have To Pass Emissions To Register It. Car Runs Good, But Mil...