Possible causes – Low transmission fluid level– 3rd Clutch Pressure Switch harness is open or shorted– 3rd Clutch Pressure Switch circuit poor electrical connection– Faulty 3rd Clutch Pressure Switch Symptoms – Engine Light ON (or Service Engine Soon Warning Light

Possible causes – Low transmission fluid level– Dirty transmission fluid– Torque Converter Clutch Solenoid harness is open or shorted– Torque Converter Clutch Solenoid circuit poor electrical connection– Faulty Torque Converter Clutch Solenoid Tech notes Some 1998

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap When is the code detected? The P1457 code is detected when the EVAP

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap Tech notes Usually loose or bad fuel tank filler cap will triggered this

Possible causes – Plugged fuel filter or low fuel pressure– Faulty or dirty Mass Air Flow sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 harness is open or shorted– Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 circuit poor electrical connection– Faulty Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 Symptoms – Engine

Possible causes – Rear A/F Sensor Sensor 1 Bank 1 harness is open or shorted– Rear A/F Sensor Sensor 1 Bank 1 electrical circuit poor connection– Faulty Rear A/F Sensor Sensor 1 Bank 1– Vacuum leak– Low fuel pressure Symptoms

Possible causes – Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 harness is open or shorted– Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 circuit poor electrical connection– Faulty Rear Air/Fuel Ratio Sensor Bank 2 Sensor 1 Symptoms – Engine

Possible causes – Throttle Actuator Control Module harness open or shorted– Throttle Actuator Control Module circuit poor electrical connection– Check throttle body for binding-Clean throttle body– Throttle body actuator malfunction– Defective throttle body Symptoms – Engine Light ON (or Service

Possible causes – Throttle Actuator Control Module harness open or shorted– Throttle Actuator Control Module circuit poor electrical connection– Check throttle body for binding-Clean throttle body– Throttle body actuator malfunction– Defective throttle body Symptoms – Engine Light ON (or Service

Possible causes – Top Dead Center Sensor 2 harness open or shorted – Top Dead Center Sensor 2 circuit poor electrical connection – Faulty Top Dead Center Sensor 2 Tech notes 2003 Acura TL Top Dead Center (TDC) sensor location:

Possible causes – Top Dead Center Sensor 1 harness open or shorted – Top Dead Center Sensor 1 circuit poor electrical connection – Faulty Top Dead Center Sensor 1 Tech notes 2003 Acura TL Top Dead Center (TDC) sensor location:

Possible causes – Top Dead Center Sensor 2 harness open or shorted – Top Dead Center Sensor 2 circuit poor electrical connection – Faulty Top Dead Center Sensor 2 Tech notes 2003 Acura TL Top Dead Center (TDC) sensor location:

Possible causes – Top Dead Center Sensor 2 harness open or shorted – Top Dead Center Sensor 2 circuit poor electrical connection – Faulty Top Dead Center Sensor 2 Tech notes 2003 Acura TL Top Dead Center (TDC) sensor location:

Possible causes – Valve pause system harness is open or shorter– Valve pause system circuit poor electrical connection– Faulty rocker arm oil pressure switch– Faulty rocker arm control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Excessive Fuel Consumption P2197 ACURA Description Air-Fuel Ratio (A/F) sensor need to reach a minimum operating temperature of 1200 degrees F to produce an accurate voltage signal. The

Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Symptoms – Engine Light ON (or Service Engine Soon Warning Light)