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Power Strokes
6.4 Tech
P0673 and P0703 codes, please help
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[QUOTE="slow poke, post: 826959, member: 9453"] I know what the codes mean, P0673 Cylinder 3 Glow Plug Circuit/Open and P0703 Brake Switch B Input Circuit, but what might be causing it? Also, what is considered blow by? I took the oil cap off and let it idle for a bit but I'm not sure what to look for. There was some steam coming out of it but it was only 35 degrees out when I just did it tonight. I put my hand over the opening while it was running and there was no oil, or even a oil smell really, on my hand after. I cleared the codes with my H&S but after a few starts, the check engine light is back on again. Where should I start looking you think to figure out how to fix this? Thanks guys for any help you could pass along...... [/QUOTE]
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P0673 and P0703 codes, please help
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