TwinTurbo.NET: Nissan 300ZX forum - Re: Calling any EGR valve replacement wizard(s) Failed smog NOx
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Subject Re: Calling any EGR valve replacement wizard(s) Failed smog NOx
     
Posted by PowerofZ on August 04, 2020 at 5:45 AM
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In Reply To Calling any EGR valve replacement wizard(s) Failed smog NOx posted by jeff1954 on August 01, 2020 at 06:25 PM
     
Message First of all, kudos for helping out an Air Force Chief, second you may want to suggest checking compression to see how are the cylinders doing. If you still think that there may be an issue with fueling system or EGR, check out the diagrams and OEM workshop guides on all the potential faulty elements https://www.carmanualsonline.info/nissan-300zx-1984-z31-engine-fuel-and-emission-control-system-workshop-manual

     
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