RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

Knock Sensor, aftermarket

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Old 08-08-13, 07:41 PM
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uncle
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Default Knock Sensor, aftermarket

I need to change my sensors. There are a variety of vendors, brands, and prices ranging from $30 to $180, and include Denso, Standard, Beck Arnley, etc. . Has anyone used these, and what were the results. I do plan on changing the harness, and I think that may be the problem, because I get the CEL intermittingly.
Old 08-08-13, 08:14 PM
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hypervish
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Welcome to Club Lexus!

Only use Denso. The ECU's in these cars do not play well with aftermarket sensors.
Old 08-08-13, 09:01 PM
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salimshah
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Check out the DIY. It is an extensive (time consuming) job and dont even bother skimping on sensors, gaskets etc. Price difference between OEM parts and aftermarket is insignificant when you put a dollar value to the labor.

I bought my stuff from Sewell and at least two members who bought the sensors from ebay had CEL after they replaced the knock sensors. I had asked them to post updates. Have not heard from them.

Salim
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