Mechanics

LEXUS ES 300 SENSOR PROBLEM

1996 Lexus ES 300 • 178,000 miles

I changed the rear after the cat. Convertor oyxgen sensor. I couldnt get the car started. So I put the old one back on. Still can't get the car started. I disconnected the negative terminal to clear the codes. I had the car running to heat the exhaust in hopes of trying to loosen the nut easier. When the nut broke loose the car stopped running. Didn't think this was a problem so I swithed out the sensor. I put the old one back on. Still cant get the car started.
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Guest
October 28, 2012.




The rear o2 has only 1 job, to monitor the cat activity. Will not cause driveability issues or cause the car not to start

start with basics, compression, fuel pressure and spark.

Roy

ASEMaster6371
Oct 28, 2012.


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