Join Date: Dec 2008
Location: Tyler, TX
Thanked 407 Times in 347 Posts
Well fuel use is lower in lower gears, so if it WERE running low on fuel pressure you would see that at highway speeds under a hard pull far more than in lower gears.
The description is consistant with a stuck turbo, but other things can cause this like bad sensors.
'93 F-250 HD, 7.3L IDI, 5spd - FARM TRUCK
I Support: Trailer brakes an every axle over the towing vehicle's GVW; CDLs for RVers; Safety inspections for ALL vehicles and 6 axle trucks (97K GVW proposal).
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote - Benjamin Franklin
I vote for LIBERTY!