Buick Park Avenue P Codes (Powertrain)

My Car Has Been Running Well No Hesitation Or Anything But Recently The Check Engine Light Came On And Showed P0420 Catalyst System...

Can You Help Me With Which Direction I Should Go? My Freeze Frames Read: Fuelsysa- Cl Load_pct- 23.1 Ect (c°)- 39 Shrtft% 0.8 ...

Hi, Thank You So Much For Any Help/advice In Advance, I Have Posted For Help On About 5 Different Sites And Not Received Not Even 1 Response...

How Do I Fix Po171 (system Too Lean)?

When Having A Computer Check Done We Get A Code P0300. The Service Engine Soon Light Came On And The Car Started To Run Rough. Please...

Service Engine Light Came On And Now It Is Misfiring?

Need To Pass Smog Check , Code P0171 Keeps Coming Up , No Vaccuum Leaks , Fuel Trim On Bank 1 Sensor 2 Is Up To 99% Bank 1 Sensor 1 Is 25...

I Had A P0302 And The Plug Was Done. I Replaced The Plug And Get P0300. I Replaced All Plugs, They Were Toast. I Also Replaced Wireset...

After About Thirty Minutes Of Idling Or Driving Starts Misfiring, Stalls, Sometimes It Does Not Want To Start But Does (acts Like Battery Is...

1996 Park Ave With 150000 Miles. Stuttering And Stumbling , Idle Problem. Gives A P0102 Code Low Voltage To Maf Sensor. Changed Maf No Help...