o2 sensor issues
#1
o2 sensor issues
i have an 01 supercrew and starting last winter when its below 10 or 20 degrees and the truck isnt plugged in the front o2 sensors dont switch into closed loop mode and cel comes on and the truck burns a whole bunch of gas. any ideas where i should start looking to fix this problem?
#4
well, the codes i was getting last winter were p1152 and p1158 the code i got the other day was just the p1152 this time. and 1152 is "Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2" and the p1158 is "Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1"
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#9
well, the codes i was getting last winter were p1152 and p1158 the code i got the other day was just the p1152 this time. and 1152 is "Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2" and the p1158 is "Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1"
P1152 Lack Of HO2S21 Switch - Sensor Indicates Rich
P1158 Lack Of HO2S22 Switch - Sensor Indicates Rich
Possible Causes:
#1. Pinched, shorted, and corroded wiring and pins.
#2. Crossed sensor wires.
#3. Exhaust leaks.
#4. Contaminated or damaged sensor.
#10