P1123 Citroen Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Citroen Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– 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…

P1123 Chrysler Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Chrysler Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– 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…

P1123 Chevrolet Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Chevrolet Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1123 Cadillac Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Cadillac Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– 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…

P1123 Buick Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1124 Buick Throttle Control Motor Relay Circuit Short Possible causes – Fualty Throttle Control Motor relay– Throttle Control Motor relay harness is open or shorted– Throttle Control Motor relay circuit poor electrical connection What about the obd code? Engine Control Module (ECM) detect the throttle control motor relay is stuck ON. Symptoms – Engine Light…

P1123 BMW Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 BMW Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– 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…

P1123 Audi Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Audi Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– 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…

P1123 Acura Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Acura Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Acura Vehicle: Acura…

P1123 Long Term Fuel Trim Adjustment Bank 1 System Too Rich

P1123 Long Term Fuel Trim Adjustment Bank 1 System Too Rich Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)