ES - 1st to 4th Gen (1990-2006) Forum for all 1990 - 2006 ES300 and ES330 models. ES250 topics go here as well.

-=HELP=- fuel problem undetermined

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Old 10-29-12, 01:15 PM
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makugx
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Default ES300 94 error code: P1605 internal malfunction with knock control system. HELP

Greetings lex-users...?

I have this car with this problem.
It was analyzed in 2 mechanic shops.
Both agreed a new ECU was needed.

What I'm trying to figure out is

1) isn't there a way to reset the ECU to make this problem go away?

2) is there a possibility that if we get a new ECU, we will still have a problem in relation to the original problem?



MODEL: ES300 94
error code: P1605 internal malfunction with knock control system.








THANK YOU LEXUSERS!
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