Your computer may need to reset, try disconnecting your battery for at least 30min.
No but make sure your ar filter box is fully closed after replacing and make sure that ho2 sensor is working good
Just reset your computer after replacing the O2 sensor.
The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.
Unfortunately there is no fixing an O2 sensor. If the "check engine" light is on due to an O2 sensor, it can only be remedied by replacing the bad sensor.
The IAT Sensor on a 1992 Geo Tracker is the Intake Air Temperature Sensor. Replacing the air filter might fix this problem.
A faulty oxygen sensor can make a car smell like gas. Oxygen and gasoline mixing wrong can cause excessive pollution. Replacing the oxygen sensor can correct this issue, and improve the gas mileage in the car.
you might die from carbon monoxide
It depends on which 'sensor' you are replacing. The crankshaft positioning sensor is on the lower left side of the engine, behind the oil filter. The CPS attaches to the bell housing. Search youtube for videos on replacing this particular sensor. Other videos may assist with other sensors.
Try replacing your fuel filter or it could be either your EGR valve or fuel pressure regulator
Code P0135 means upstream oxygen sensor heater circuit problem right cylinder bank. Did you clear code after replacing the oxygen sensor?
First, change the oxygen sensor and the air filter. Clear the codes and see if the idler air sensor code comes back.
have your oxygen sensor checked or replaced. we had the same issue on ours and replacing the o2 sensor fixed the problem