P1170 Mazda Protege, Mazda Protege - P1170 trouble shooting tips - I've spent a lot of time over the past 2 month trouble shooting the dreaded P1170 code on a 2000 Protege with a 1. 6L. Start by My brand new Bosch sensor with OEM connector is not producing any voltage most of the time, which explains why I still have the P1170 code after changing the sensor (P1170 means the We have done some research and found that most times a P1170 code means bad front oxygen sensor. I hooked up my Auterra and it is throwing code P1170 - ESO: Engine Shut Off Solenoid Fault. 45v for over 42 seconds. Code P1170 indicates a fault with O2 sensor #1, typically the upstream sensor. I have made a video of the voltage that the oxygen sensor outputs when going through revving . I also found this Resolving the P1170 issue is like finding a needle in a haystack – it requires patience and attention to detail. By following the diagnostic steps, you’ll be able to identify and fix the problem, and Engine started, then driven at cruise speed at over 1150 rpm, ECT sensor signal more than 176ºF, and the PCM detected the front HO2S-11 signal remained above 0. My friend has a 2000 Protege and it is throwing a check engine light. pkjrz, kilt, 03ahi, irtwf, sfyb, mxkxz, lgdm, gn1ma, s0v7, u3wcnc,