Compression Ignition Addict
Join Date: Apr 2012
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I dont buy that change the oil crap. I have used 15/40 delo 400 for the past 4-5 yrs and never had the romps even with sub zero weather. Granted 5/40 will help it start easier, its not necessary and may not cure your issue.
This past yr I have done a lot to my truck and it just started to have a romp issue. Changed to 5/40 synthetic and still have the issue. Found a faulty injector. Will find out if it cures the issue.
You need to run diagnostic software to see if anything is going on. Could be a few different things. If you never had an issue but you do now, very unlikely its the oil itself. Something else is going on and hopefully its not tired/worn out injectors.
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03 F350 7.3L Auto CC LB Dually 410's (LS Rear)315's
PHP/Beans tuned, 250/100 FF inj's, BTS Tranny, Strictly Diesel complete fuel system w/RR & FB Delete, Pius LASB from Irate, Swamps hvhf IDM
Autometer Nexus Guages (TT,FP,BP,EGT), 4"MBRP, DieselSite Coolant filtration system/billet housing/HP X-Over line, Baldwin PA2818(6637) RR Boots, 26 row 6.0 Tranny & PS Cooler, LarryB's Denso Starter