can the lambda sensor be cleaned?
15 April 2003, 01:33 PM
#3
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In the service manual it states that u can use a special spray for the o2 sensor "SUBARU CRC" (P/N 004301003) Application 02 sensor.
but is that for cleaning or is it simply a thread lubricant(anti-seize)???
but is that for cleaning or is it simply a thread lubricant(anti-seize)???
15 April 2003, 02:07 PM
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Lambda sensors keep themselves clean by being hot - any possible gunk is burned off. If the heater has burnt out, you need to change the sensor. If it's gummed up beyond what the heater can clean off, I don't think you want to trust the readings even if it can be cleaned off... they're sensitive little things 
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