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P1128 Diagnostic Trouble Code Discussion for October 2007

Closed Loop Fueling Not Achieved - Bank 1


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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2001 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG35GO1
P1128: Long Term Fuel Trim Multiplier System Too Lean. ... thing in the morning on the first crank. After that it will run fine all day but will set a code P1128. To set the code the fuel trim has to go 10-15 percnt lean for 30 seconds durning 2 drive cycles. I have scoped the secondary ignition system and replace...
October 16, 2007
2001 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG35GO1
P1128: Long Term Fuel Trim Multiplier System Too Lean. ... thing in the morning on the first crank. After that it will run fine all day but will set a code P1128. To set the code the fuel trim has to go 10-15 percnt lean for 30 seconds durning 2 drive cycles. I have scoped the secondary ignition system and replace...
October 18, 2007
2001 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG35GO1
P1128: Long Term Fuel Trim Multiplier System Too Lean. ... thing in the morning on the first crank. After that it will run fine all day but will set a code P1128. To set the code the fuel trim has to go 10-15 percnt lean for 30 seconds durning 2 drive cycles. I have scoped the secondary ignition system and replace...
October 16, 2007
2001 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG35GO1
P1128: Long Term Fuel Trim Multiplier System Too Lean. ... thing in the morning on the first crank. After that it will run fine all day but will set a code P1128. To set the code the fuel trim has to go 10-15 percnt lean for 30 seconds durning 2 drive cycles. I have scoped the secondary ignition system and replace...
October 18, 2007