1991 olds 98, 3.8 vin L v6, 249,000km
car consistently gets crap gas mileage, i tried altering driving habits and
just squeaked out 17mpg (13l/100km) in mixed mostly city driving. Does
anyone know of any problem areas on this engine that would contribute to
I have done plugs/wires/o2 sensor/air filter and cleaned MAF sensor
elements, catalytic converter is new. Transmission is rebuilt and torque
converter is a few months old. At one point someone recommended hooking up
a diagnostic computer to it and reading fuel trim values but I do not have
this expensive equipment. It is kind of depressing when my friend's v8
grand marquis blows my car away on gas mileage with a bigger v8 engine.
I have essentially that same engine it two present cars, one past car. For
mostly city driving, 17 to `9 is about right. Highway I can get 28 -29, but
my average is about 23. How much of your city driving is stop and go rush
hour? I can get 30 mpg highway and just a couple of miles of city brings
me down to less than 22
I wonder how accurate your friend is and how much city driving he does.
People tend to embellish the figures.
I own a 95 Olds 88 royale with the 3.8 V6 and get on average 20-22 mpg.
I don't do a lot of highway miles, mostly city. Your car sounds like
it's just fine. Your buddy with the V8 is full of it! That grand
marquis probably gets 15mpg with the 5.0 V8.
Only if he spends a lot of time on the highway. Otherwise, I would expect
quite a bit less with that big engine.
I have the 3.8 vin c and get 17 with a lot of in town driving. Strictly
highway gets me over 30.
"They that can give up essential liberty to obtain a little temporary safety
Most V8s will, if you live in hilly country. V8s produce more torque, at a
higher RPM, that allows the tranny to stay in the more fuel efficient higher
gears more of the time. I average 23 with my 2005 Mustang GT V8
convertible, with a 5 speed automatic, and only 22 with my 2006 V6 Lincoln
Zephyr with a 6 speed automatic, where I drive around my place in the
mountains of eastern Pennsylvania. When I run them around my place in
Delaware, where it is flat, the Lincoln will run at 26 MPG
. It is kind of depressing when my friend's v8
We just got back from a combined highway, Houston driving, and more highway
Used 16.2 gallons for 390 miles overall. This one is however a Series II. I
get very similar
in the Series I, however.
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