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Power Strokes
7.3 Tech
Engine dies, codes p1209 p1211
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[QUOTE="superpsd, post: 1500298, member: 15821"] The IPR duty Cycle is way too high. Should be around 10% or so at idle. I am also betting on a high pressure leak. May also try and dump some 15w40 in it. Either way you have an issue. My first guess will be upper poppet seat(s) not sealing correctly. The problem will get worse when hot as the oil thins out and can leak out much faster. It's going to take some further investigation. [/QUOTE]
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