How do you replace an oxygen sensor on a Lexus LS400?
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.
Where is the speed sensor on a transaxle?
For transaxles, the speed sensor is located on the long side of the output shaft. This would be the end of the transaxle that faces the front of the engine. Step 1: Install the new sensor. Make sure that new o-ring is on the new transmission speed sensor. Install the new sensor into the output shaft housing.
How do you replace a transmission speed sensor?
Step 2: Secure the wheels. Place wheel chocks around the tires that will remain on the ground. In this case, place the wheel chocks around the front tires since the rear of the vehicle will be lifted up. Engage the parking brake to the lock the rear tires from moving. Step 3: Install a nine volt battery saver into your cigarette lighter.
How to replace the LH sub oxygen sensor?
6) Repeat steps 3-5 for the LH sub oxygen sensor. Here’s the location of the clip for the LH sub oxygen sensor. 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.
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 many Trac codes does a 1992 Lexus LS400 have?
I HAVE A 1992 LEXUS LS400 IS GIVING ME ENGINE CODE 47 AND TRAC CODES 51 AND 26 HAS SLOW ACCELERATION AND CATALYTIC CONVERTER GETS SUPER RED HOT WHAT DO I NEED TO DO TO FIX THIS… read more
6) Repeat steps 3-5 for the LH sub oxygen sensor. Here’s the location of the clip for the LH sub oxygen sensor. 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.
What should the resistance be on an oxygen sensor?
The resistance should be 5.1-6.3 ohms at 68 degrees. If the resistance is not in this range the sensor needs to be replaced. You can see here that this sensor reads 8.7 ohms so it needs to be replaced. New universal oxygen sensor vs. OEM oxygen sensor.
How to unscrew the main oxygen sensor in a Lexus LS400?
3a) Unscrew the RH main oxygen sensor using a 22mm or 7/8″ wrench. Here you can see that there is just enough room to use a standard 22mm or 7/8″ wrench. If your sensors are original it will probably take a little extra elbow grease to get them out. 3b) Unscrew the LH main oxygen sensor.
I HAVE A 1992 LEXUS LS400 IS GIVING ME ENGINE CODE 47 AND TRAC CODES 51 AND 26 HAS SLOW ACCELERATION AND CATALYTIC CONVERTER GETS SUPER RED HOT WHAT DO I NEED TO DO TO FIX THIS… read more
The resistance should be 5.1-6.3 ohms at 68 degrees. If the resistance is not in this range the sensor needs to be replaced. You can see here that this sensor reads 8.7 ohms so it needs to be replaced. New universal oxygen sensor vs. OEM oxygen sensor.
How do you change the throttle position on a Lexus LS400?
1) Unplug the connector from the TPS. 2) Remove these 3 10mm bolts and then remove the throttle body cover. 3) Remove the 2 screws and then the TPS. The two metal prongs under the TPS move when the throttle is pressed.
What is the MAF sensor on a Lexus LS400?
They are designed to diagnose a hard fault with the sensor. MAF Sensor on the 1990-1994 Lexus LS400 is two sensors in one. This is because the intake air temperature (IAT) sensor is part of the MAF sensor assembly. Here’s a brief description of the circuits (wires) of the MAF sensor:
What’s the price of a new Lexus LS400?
Old (part #89452-12050) and New (part #89452-22090, about $74. I added the red dashes in this pic so you can visualize where the metal prongs from the last pic line up with the sensor.