How big is the sensor on a Lexus LS400?
The finished product needs to be at least as long as the OEM sensor (10.5″ inches) or slightly longer. Mine ended up being about 12″ inches in length. 6) Crimp the 4 butt connectors to wires on the harness. Then, one by one, slide the heat shrink tube over a wire and crimp the wire from the sensor to the same colored wire on the harness.
How do you replace the LS400 sub oxygen sensor?
Then push the rubber grommet through so it is hanging from the oxygen sensor. 5) Unscrew the RH sub oxygen sensor using a 22mm or 7/8″ wrench. If your sensors are original it will probably take a little extra elbow grease to get them out. 6) Repeat steps 3-5 for the LH sub oxygen sensor.
Where is the bank 2 O2 sensor on a Lexus?
Overall it’s an easy job, but care should be exercised in handling these parts. The Lexus will have a bank 1 and a bank 2 O2 sensor: one is near the firewall and in front of the catalytic converter; the other is behind the converter closer to the rear. They should primarily be the same part, just different lengths of wiring.
Can a universal oxygen sensor be installed on a Lexus?
This tutorial will show you how to install universal oxygen sensors. A universal oxygen sensor requires you to cut off the wiring harness from the old OEM sensor and splice it to the new universal sensor. It does take a little extra time to do this but you will save a LOT of money if you go the universal route.
How big is the oxygen sensor on a Lexus LS400?
New universal oxygen sensor vs. OEM oxygen sensor. The Walker sensor comes with the sensor, butt-connectors, heat shrink tubing, high-temp antiseize, and instructions. The OEM sensor is about 10.5″ inches end to end. 5) Cut the wiring harness off of the old sensor a few inches from the base of the old sensor.
Overall it’s an easy job, but care should be exercised in handling these parts. The Lexus will have a bank 1 and a bank 2 O2 sensor: one is near the firewall and in front of the catalytic converter; the other is behind the converter closer to the rear. They should primarily be the same part, just different lengths of wiring.
This tutorial will show you how to install universal oxygen sensors. A universal oxygen sensor requires you to cut off the wiring harness from the old OEM sensor and splice it to the new universal sensor. It does take a little extra time to do this but you will save a LOT of money if you go the universal route.