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Power Strokes
6.7 Aftermarket
Need help with a U0074 code
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[QUOTE="samsquatch47, post: 1188940, member: 18571"] Check all of your old exhaust sensor plug ends that should be tied up under the truck. They should be all blown out with air then filled with dielectric grease. Also make sure the NOx module is unplugged. And then fill the connector with grease too. It's a silver box bolted to the passenger side inner frame rail about inline with the rear passenger door. Then go to your fuse box under the hood and check #36 I believe. Replace it if blown. Clear the codes and should be good now. Either that NOx module or one of the old sensor plugs shorted and cause the truck to throw the code. Hope that helps! [/QUOTE]
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6.7 Aftermarket
Need help with a U0074 code
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