egr failure,deleted at approx 80000 miles.had engine chipped to add approx.75 h.p. at around 96000 started seeing coolant loss but not liquid but white residue at coolant resevoir. seems to occur more under moderate to heavy towing any ideas ?
What makes this problem better or worse?
under moderate towing
How long has your 2004 Ford F-350 Super Duty had this problem?
RepairPal Certified shops can diagnose and repair your 2004 Ford F-350 Super Duty. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
the residue is on the outside of the tank, appears to be pressuring out , will lose approx. one quart coolant in 300 miles