99 Ford Ranger acts like its running out of gas
I have a 1999 Ford Ranger, a manual 5-speed, 4 cylinders.
This typically happens on the first drive of the day. A majority of the time, it doesn't
exhibit the jumping behavior, but every once in a while, it'll start acting up and I just
keep driving and it will eventually go away.
I thought perhaps my engine was missing because of bad spark plugs, or possibly
the fuel filter was clogged. So, I brought it to my mechanic and he changed all 8
spark plugs, new plugs wires, a new fuel filter, and a new air filter. The mechanic
even drove the truck.
So, on my way back home, it starts jumping again. It only seems to happen in 2nd
and 3rd gear. Though, there have been a few times when it happened in higher
gears.
Nevertheless, the new spark plugs, wires, and filters did not remedy the issue. I'm
absolutely baffled. I wonder if the term "jumping" is even the right word to use. It
doesn't jump out of gear, I can shift between gears with no issue. This "jumping" is
a nuisance, but it hasn't kept me from being able to drive it.