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Power Strokes
7.3 Aftermarket
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[QUOTE="V-Ref, post: 1181895, member: 660"] I've always had a question in the back of my head if a bum lifter or two could be culprit of 80%+ nozzle idle resolution issues.... If you jack with valvetrain timing, you effect static/dynamic compression ratios, dynamic cylinder pressure, air/fuel ratio, etc... Usually when electronics fail...they flat out FAIL. Mechanical failures...if partial in nature...would seem to be potentially more vulnerable to variations in temp/pressures....as clearances change... My order of merit on stuff if it were my truck on what to do would be... (OML is based on both manhours/financial investment) 1. IDM 2. HPOP 3. injectors 4. lifters Your oil temp on the rough idle vis wasn't up to temp like your smooth idle vid There's lots of smart guys on here....interested in what the 7.3 50 lb brain guys suggest [/QUOTE]
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