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How do you diagnose scan code P0420 on 1999 Lexus ES300?

Anonymous

∙ 16y ago

Updated: 10/22/2022

Error code is most likely due to a failing catalytic converter. If it is a Bank 1 converter you'll need to take it to the dealer for repair. Bank 2 converters are available as after market parts.

Wiki User

∙ 16y ago

What else can I help you with?

Will a 1999 Lexus es300 turn signal fit a 2000 Lexus es300?

It should. I don't believe they changed anything major between 1999 and 2000.

How do you diagnose cause of P0420 1999 subaru impreza?

Trouble code P0420 means:Catalyst system efficiency below threshold

Will the seats of a 1999 Lexus es300 fit in a 1996 Lexus es300?

You can make anything work, but if you want a direct bolt in and electrical connections, No.

Will a 1999 Lexus ES300 tail light fit a 1992 Lexus ES300?

No there have been three body changes between those two years.

Is the 1999 Lexus es300 engine compatible with the 1995 Lexus?

If its another ES 300, then yeah.

Does a 1999 Lexus es 300 have a timing belt?

Yes , the 3.0 litre V6 engine in a 1999 Lexus ES300 has a timing BELT

Is the milage on a 1999 Lexus es300 stored in the computer or in the instrument cluster?

Its in the Cluster.

Does a 5x114.3 bolt pattern fit a 1999 Lexus es300?

what is the bolt pattern for a1999 lexus es 300

P0420 for 1999 Honda CR-V can you help me diagnose problem?

Exhaust catalyst converter problem.

Where is the factory amplifier of a 1999 Lexus es300 located?

It's behind the glovebox if you have the nakamichi stereo

Where are the two intake side O2 sensors of a 1999 Lexus ES300?

Under the intake manifold.

How do you replace a timing belt on a 1999 Lexus ES300?

i need to see the diagram fir the timing belt

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