change air filter on gs300
10-08-03, 07:41 PM
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change air filter on gs300
has anyone expirance your check engine light coming on right after you change you air filter, it happend to me today - i dont have a stock filter, it is a trd drop in, is this bad? 
Last edited by martialart; 10-08-03 at 07:42 PM.
01-25-04, 08:39 PM
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Whatever happened???
Having a 94 gs3(189k) I recently changed an air filter the following day the check eng. light came on!
Would this be a coincidence or anything related to O2 sensors needing replacements?
Would this be a coincidence or anything related to O2 sensors needing replacements?
01-26-04, 05:30 PM
#4
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You'll need to reset the ECU if you are just putting in the TRD filter for the first time. The map sensor sees a loot more air than before and triggers the cel.
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