ondre1980 Posted November 24, 2004 Share Posted November 24, 2004 Hi, My 94 es300 has 135k on the clock and the mil code is P0135 (o2 bank 1 sensor 1). I searched and found this thread where after the o2 sensor was replaced, the egr threw a code. I haven't taken the o2 sensor off yet, or cleaned the EGR. What is the most cost effective method to alleviate my problem? Should I clean the EGR passages first? Or should I test the o2 sensors resistance? I don't want to buy a new sensor if I don't have to. Thanks :) Ondre Quote Link to comment Share on other sites More sharing options...
92Lex Posted November 24, 2004 Share Posted November 24, 2004 Clean the EGR out first then check O2 sensor resistance, then clear the codes and if you're lucky then the codes wont come back....if the codes reappear the you could just take it from there. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted November 24, 2004 Share Posted November 24, 2004 motorvac Quote Link to comment Share on other sites More sharing options...
ondre1980 Posted November 25, 2004 Author Share Posted November 25, 2004 motorvac ← What's a motorvac? What fuse do I pull to clear the codes again? Thanks, Ondre Quote Link to comment Share on other sites More sharing options...
steviej Posted November 25, 2004 Share Posted November 25, 2004 do a google search on motorvac to find shops in your area that offer the service. you can pull the ecu fuse, but this is only treating the symptom and not the cause. The light will come back on if you done fix what triggers the light in the first place. steviej Quote Link to comment Share on other sites More sharing options...
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