P1138 Citroen HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009…
Tag: P1138
P1138 Chrysler HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Chrysler HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Chrysler Vehicle:Chrysler 200,Chrysler 300,Chrysler 300M,Chrysler Crossfire,Chrysler…
P1138 Chevrolet HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Chevrolet HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1138 Cadillac HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Cadillac HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V…
P1138 Buick HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1139 Buick HO2S Insufficient Switching Bank 1 Sensor 2 Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera –…
P1138 BMW HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 BMW HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW…
P1138 Audi HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Audi HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P1138 Acura HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Acura HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Acura Vehicle: Acura ILX, Acura MDX,…
P1138 HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)