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Old 05-22-2009, 02:10 PM
HajdukEOMFD HajdukEOMFD is offline
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Default 1990 Ram W150 fails Arizona Emissions

My truck is failing due to higher than normal carbon monoxide levels. I have replaced the Oxygen senson, cap and rotor, sparks plugs and wires, fuel filter, and chjecked for vacuum leaks. Anyone have any other ideas?
1990 Dodge W150 SE 318 5.2L
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