TwinTurbo.NET: Nissan 300ZX forum - Can removing your EGR cause code 33 & 53?
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Subject Can removing your EGR cause code 33 & 53?
     
Posted by NismoDHS on October 24, 2012 at 1:38 PM
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Message I just recently replaced my injectors, plugs, most hoses, bypassed the water lines and removed the EGR on a 91 NA....car is running pretty good for the 1st time in a while, but I'm getting ECU codes 33 & 53. Is that because I removed my EGR and EGR solenoid.. and blocked off the where the EGR pipes went to the plenum?.....or are both my O2 sensors really bad?

     
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