OXYGEN SENSOR TEST Questions

Trouble Codes Po131 & Po151 Banks 1&2 O2 Sensors #1 Keep Setting A Trouble Code While Hwy Driving. Also Sets Pending Codes For The #2 O2...

Its A 323i It Failed The Odbii Test. No Check Engine Light While Driving, No Dtc's. I Assume That The On-board Computer Is Malfunctioning....

Today I Posted A Problem I Have Been Having With This Focus,it Has Had A Misfire For Awhile,and I Am Just Getting Around To Fixing It.it Has...

I Am Getting Code P0340, A 02 Sensor Heating Element Circuit, And Egr Insufficient Flow, I Need To Be Able To Test The Cam Sensor. 97 F150...

1993 Mazda Mx3 4 Cyl, Lots Of Incomplete Combustion On A Cold Start. Makes A Big White Cloud. Not Coolant Or Oil, Smells Like The Exhaust...

Hi, My Vehicle(mazda 3)'s Engine Light Came On And I Plugged In The Obd Adapter To Check And I Got The Messages Below Using An...

Hi Firstly It May Be Inportant To Say This Is A Uk Spec Car, Engine Code Asn. I Have A Reacuring (every Three Weeks Or So ) Po431 Fault...

For The Last 5 Years Or So I Have Had The Mil Come On Intermittently. By That I Mean Codes Related To The Rear O2 Sensors( P0138, P0138, Ect...

So I Had An Issue With My Drive Cycle Not Wanting To Complete. The Evap Monitor, The Catalyst Monitor, The Oxygen Sensor Monitor And The...

1991 Mitsubishi Mighty Max 2.4l Base Unit. Vin Ja7fl24w7np004263 The Engine Seems To Bog Down Like Its Out Of Fuel. I Have Replaced The...