Dustin w. writes: >> I've had this problem for pushing a year and a half,
and at times it
gets better but then I'll be on a trip and it'll bite me in the ass.
It started when I was driving from Oregon to Michigan in Aug 06. I
accidentlly bought some 85 octane fuel in Nevada (at the same stop I
also got food poisoning) and I got all of about 11 mpg from West
Wendover, NV to Salt Lake City, and if you're familiar with the route
there is a reason why they call it the salt flats. I got premium in
SLC and got a good 17.8 mpg driving across the rockies then in
Nebraska about 20 miles shy of my scheduled fuel stop it started
chugging on me and I could only do about 45 with the peddle all the
way down with it coughing and sputtering the whole way. I stopped at a
rest area and just the sloshing from turning and stopping cleared out
the problem until I was back on the freeway, I put more gas in and the
problem cleared up but the gas mileage would usually be significantly
lower for the next few tanks after this. I've tried ever imaginable
fuel additive to clear it up and nothing has helped. Ever since
somewhere between 1/8 and 1/4 of a tank it does this exact same
things, although sometimes it's so bad that all it do is maintain 25
and accelerating at all is virtually impossible.
The truck is a 1994 V-8 4x4 with 149,000 miles on it. I've done some
research and I know the fuel filter is part of the fuel pump and I'm
assuming it's original. Any ideas? <<
I'd figure on the fuel pump, or @ least the sock being clogged.
The reason it only occurs when low on fuel is because of the
fuel having to be pushed higher(relatively) on a low fuel level
in the tank tank than when it is full(or @ least fuller). I had
practically the same thing happen on my wifes Spirit several
years ago. It ran fine as long as it was relatively 1/4 to full,
but would start loosing power @ approx 1/4 full and get worse
as we used more of that tank. Once we refilled, the problem
went aaway until the level of fuel once again reached roughly
1/4 tank. Happened in winter and I just tried to keep it closer
to full until warmer weather got here. Changed the pump assy
and no more problems. We gave it to one of my Daughters @
approx 290K miles and she drove it for 3 or 4 years before it
finally died(dropped a valve - did major damage - went to
scrap yard),
"One of the hardest things in life to learn is
which bridge to cross and which bridge to burn"
Azie
This archive was generated by hypermail 2b29 : Fri Feb 01 2008 - 01:11:51 EST