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P1171 Diagnostic Trouble Code Discussion for April 2013

Fuel System Lean During Acceleration


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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P1171: Fuel System Lean During Acceleration. Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 19, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P1171: Fuel System Lean During Acceleration. Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 22, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P1171: Fuel System Lean During Acceleration. Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 19, 2013
1996 Cadillac Fleetwood 5.7L low power/vacuum VIN: 1G6DW52P8T
P1171: Fuel System Lean During Acceleration. Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...
April 22, 2013