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no start cold even 80*
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  1. Diesel Diagnostics
    Hi I have a f350 superduty with 7.3 diesel motor. It wont even start on worm days 85-90* unless its plugged in. after 1/2 to 1 hour then she starts right up. I changed the glow plugs(bosch) and the plug relay. no change. I changed the oil and oil filter. I changed the fuel filter and the fuel...
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