Winter blend to keep from Gelling

[marek4792]

(12-25-2020 )smorgan87 Wrote:  Snail beginning with 2250 the fuel does not circulate through anything warm prior to return. 871 and earlier circulates through i believe the head before returning.

Also there is a very noticeable loss in response on these common rail engines as well especially in below zero conditions, x15 as well. They have a TSB-200219 for them though that does involve replacing a "fuel thermostat" which is actually integrated into a TRV housing. Not too sure about the older common rails but something to look into perhaps..