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How many miles? Your injectors are causing this issue. Either plug it in on a timer or get the injectors rebuilt.
YES, it is true.
From the SWAMPS website.
"Another function of normal poppet valve wear is poor valve sealing at the poppet...and with cold
(thick) engine oil...these damaged (poor sealing) valves can't allow the normal or proper amount
of HPOil to enter the injector..<<this cold oil/hot oil usually manifests itself as low power when
cold, runs good warm....or very hard/no starts when cold...and usually plugging the block heater
in (overnight) can warm the oil up enough to minimize these types of symptoms...
once the oil warms up (block heater or 10-15min of driving) can thin the oil out enough for a
larger volume of oil to get through the (worn) poppet valves...
FWIW- the poppet valve is probably the area of the injector least understood by 99% of injector
rebuilders out there...not saying we know it all...but we are confident enough to warranty ALL of
our 7.3L injs for 5yr/200k miles..."
REBORN 20 Over on 3/2/11- Pics in my gallery- 2000 F250, Auto, GTP38r, Casserly 238cc/100%, Joey modded 17* hpop, DP F5,HI,60,80E,120R,140A, , Studs and 910's with DI push rods, ARI TC, JW VB, Walbro 392, TC Lock Up, Bellowed, In-Tank, Pre-Pump, boost fooler, and RR. Air Dog 150, SS cover, 6.0 TOC,4" straigt piped and guages, 6637.
Last edited by kilapapipa; 01-22-2013 at 12:02 PM.