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You need to a new oxygen sensor if you are getting a p1155 code on a 1998 Lexus. This means that heater circuit is malfunctioning.
Trouble code P0441 means: Evaporative Emission System Incorrect Purge Flow
Trouble code P0441 means: Evaporative Emission System Incorrect Purge Flow
Number 2 cylinder is misfiring.
Trouble code P0125 means:Insufficent coolant temperature for closed loop fuel control
Trouble code P0135 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
If the code is not in the owner's manual then call the nearest dealer and tell them the VIN #. They can trace it.
94.9 then you will see the security light on wait about 30 sec's it will start to blink then its on.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
under the hood the cap will say diagnosis. and its a specialized plug. youll need a Toyota obd1 connector
If the code is P0773, it should be located in the transaxle......according to the manual. You have to drop the oil pan and then you have access to the solenoid.
If you do not have it written down in the owner's manual, you need to contact a LEXUS DEALER. You will more than likely need the serial# off the radio. That will require removing the radio. Check with Lexus to b sure.