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P1173 Diagnostic Trouble Code Discussion for February 2008

Electronic Throttle System Rationality


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Trouble Ticket Help Requests for DTC P1173
Help Request Posted
1997 Ford Probe GT 2.5L MIL Lamp on VIN: 1ZVLT22B1V
P1173: Feedback Air Fuel Mixture Control (HO2S-21). this vehicle vehicle seems to be running lean O2 sensors are at o volts @ idle,voltage will rise with propane added.Inspected and smoke tested for vacuum leaks none found,fuel pressure right on specs.road tested and vehicle will run great.we checked archives f...
February 28, 2008
1997 Ford Probe GT 2.5L MIL Lamp on VIN: 1ZVLT22B1V
P1173: Feedback Air Fuel Mixture Control (HO2S-21). this vehicle vehicle seems to be running lean O2 sensors are at o volts @ idle,voltage will rise with propane added.Inspected and smoke tested for vacuum leaks none found,fuel pressure right on specs.road tested and vehicle will run great.we checked archives f...
February 28, 2008