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P1173 Diagnostic Trouble Code Discussion for August 2020

Electronic Throttle System Rationality


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Trouble Ticket Help Requests for DTC P1173
Help Request Posted
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11404
P1173: O2 Sensor Fault Aging downstream fuel trim B2. 1st visit - Vehicle came in with a CEL on complaint at 105248 miles. Technician pulled fault codes listed above, smoked exhaust, inspected weld at catalytic convertors for leaks, found none. Fuel trims numbers STFT -2% & 2% LTFT 2.0% & 5.5% Technic...
August 11, 2020
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11404
P1173: O2 Sensor Fault Aging downstream fuel trim B2. 1st visit - Vehicle came in with a CEL on complaint at 105248 miles. Technician pulled fault codes listed above, smoked exhaust, inspected weld at catalytic convertors for leaks, found none. Fuel trims numbers STFT -2% & 2% LTFT 2.0% & 5.5% Technic...
August 18, 2020