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P2238 Diagnostic Trouble Code Discussion for February 2014

Air Fuel Sensor (Bank 1 Sensor 1) I/P Line Low Voltage


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Trouble Ticket Help Requests for DTC P2238
Help Request Posted
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
P2238: a/f pumping circuit low. Kind of a strange problem with this car as codes will set but freeze frame always shows fuel trims are within zero to three of perfect at time of failure, car runs very good and is smooth. Find no vacume leaks and only shows bank 1 as a problem but fuel trims ...
February 25, 2014
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
P2238: a/f pumping circuit low. Kind of a strange problem with this car as codes will set but freeze frame always shows fuel trims are within zero to three of perfect at time of failure, car runs very good and is smooth. Find no vacume leaks and only shows bank 1 as a problem but fuel trims ...
February 25, 2014
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
P2238: a/f pumping circuit low. Kind of a strange problem with this car as codes will set but freeze frame always shows fuel trims are within zero to three of perfect at time of failure, car runs very good and is smooth. Find no vacume leaks and only shows bank 1 as a problem but fuel trims ...
February 25, 2014
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
P2238: a/f pumping circuit low. Kind of a strange problem with this car as codes will set but freeze frame always shows fuel trims are within zero to three of perfect at time of failure, car runs very good and is smooth. Find no vacume leaks and only shows bank 1 as a problem but fuel trims ...
February 25, 2014
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
P2238: a/f pumping circuit low. Kind of a strange problem with this car as codes will set but freeze frame always shows fuel trims are within zero to three of perfect at time of failure, car runs very good and is smooth. Find no vacume leaks and only shows bank 1 as a problem but fuel trims ...
February 25, 2014