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P1173 Diagnostic Trouble Code Discussion for August 2017

Electronic Throttle System Rationality


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Trouble Ticket Help Requests for DTC P1173
Help Request Posted
2001 Mazda MPV DX 2.5L MIL Lamp on VIN: JM3LW28Y01
P1173: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction. ... giving me codes p1170, p1173 and p0171 and p0173. I smoked the vehicle and I cannot find any leaks. I replaced the MAF to test and problem continues. Fuel pressure is 54psi koer. performance is not terrible car runs good but I would like to see a little mo...
August 10, 2017