rmiley Posted November 23, 2004 Share Posted November 23, 2004 Had code read at Advance before was p0135 02 sensor bank one sensor one changed thatand was ok for a week. Today light came on I went to Advance got it read P0402 excessive egr gas. What do I need to do about this one? Quote Link to comment Share on other sites More sharing options...
SKperformance Posted November 23, 2004 Share Posted November 23, 2004 get a motorvac or clean the egr Quote Link to comment Share on other sites More sharing options...
92Lex Posted November 23, 2004 Share Posted November 23, 2004 I agree, it's (most likely) because there is carbon build up in the EGR. It could also be lack of vacuum or differential pressure sensor is faulty, but it's most likely carbon fouled. Quote Link to comment Share on other sites More sharing options...
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