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Horrible Gas Mileage with 3VZE #841529 10/15/07 03:34 AM
Joined: Apr 2007
Posts: 21
thefarky Offline OP
Need a Spot
I have a '95 4WD Pickup with the 3VZE in it and I have been averaging around 12-13mpg around town. Is this normal? I mean I have buddies with huge lifted Chevys with 350s that get better around town. Any help would be appreciated.


1995 Toyota Pickup, SR5 3.0V6, 31X10.50 Mud Tracs
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841530 10/15/07 04:17 AM
Joined: Sep 2005
Posts: 25
B
busterz Offline
Getting the Wheeling Fever
Thats alot lower than I've seen on mine. Usually about 15 - 16 mpg [5 speed with manual hubs (unlocked)].


'90 Toyota Xcab 4x4- sold it
'84 RX7 GS
'03 Silverado SS
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841531 10/15/07 04:31 AM
Joined: Jan 2000
Posts: 12,153
4Crawler Offline
Web Wheeler
*****
What transmission do you have and what gears in the axles?
- http://www.4crawler.com/4x4/ToyVIN.shtml

Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841532 10/16/07 12:25 AM
Joined: Nov 2003
Posts: 268
1
1FastSS Offline
Mudrunner
I get about 13 or 14 around town with mine. If I try, I can get 15, but then it's no fun driving. That's why I have a Corolla....26-27 around town driving it like a NASCAR.... <img src="/forums/images/graemlins/lol.gif" alt="" />


- Daily Driver - 2004 Corolla
- Off Road - 1992 Pickup SR5 3.0L 4x4
- Fun - 2001 Camaro SS (320 RWHP/330 RWTQ)
http://community.webshots.com/user/1fastss
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841533 10/16/07 05:18 AM
Joined: Oct 2007
Posts: 11
C
cptnchaos92 Offline
Need a Spot
I have the 3.0 in my 92 gutles and bad gas milage,I put a K-N and it helped a little,I hear opening the exhoust works wonders Ill let ya know when I do mine,how it does.


WE THE WILLING LED BY THE UNKNOWING FIGHT FOR THE FREEDOM OF THE UNGRATEFULL!!!!!RANGERS LEAD THE WAY!!!!!
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841534 10/16/07 09:25 AM
Joined: Apr 2002
Posts: 3,568
Snowtoy Offline
Roll Me Over
If you have an auto tranny that is about right for the 3.0 in truck.
If you have 4.10's gears w/31's(stock is 4.56 for manual and 4.88 for auto), your mpg could be off by 10-11%

Mpg also depends on your driving style, jack rabbit take-off will kill the mpg in Toyota trucks.

It could also be time for a minor tune-up.

You could also have a sticking/stuck exhaust valve, how is it performing?


More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed
Re: Horrible Gas Mileage with 3VZE [Re: Snowtoy] #841535 10/18/07 05:44 AM
Joined: Apr 2007
Posts: 21
thefarky Offline OP
Need a Spot
My truck is performing really well actually. I just changed the oil a couple of days ago and I can tell that helped a little. Would it be worth it to look into a throttle body spacer? Or do they even make one for the Pickup?


1995 Toyota Pickup, SR5 3.0V6, 31X10.50 Mud Tracs
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841536 10/18/07 09:00 AM
Joined: Apr 2002
Posts: 3,568
Snowtoy Offline
Roll Me Over
No one that I know of makes a throttle body spacer for the 3.0. Downey Off-road makes a larger throttle body(bores out your oem one), but it isn't CARB legal here in CA.

When was the last time the spark plugs, cap and rotor, spark plug wires, and air filter changed? When these parts start to get worn, they can cause poor gas mileage, and are the cheapest place to start.

A bad/old O2(oxygen) sensor will also cause poor gas mileage.

What does teh exhaust look like?, did the previous owner put a large hi-flow system on it? An exhaust that is to open will cost these engines their low end torque, causing you to be deeper into the throttle than you should be, reducing your mpg's.

Low tire pressure will also hurt mpg's, as well as carrying extra weight?

A clogged EGR valve will also reduce your gas mileage.

We can help you narrow it down by getting your rigs info, i.e., tranny type, gear size, and tire size. The gear info will be on the door jam plate, in the lower left hand corner by the oem tire size, it should be either G284, G294,G254, or G144.


More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841537 10/23/07 03:29 AM
Joined: Oct 2006
Posts: 469
IceBlueT Offline
Mudrunner
Quote
My truck is performing really well actually. I just changed the oil a couple of days ago and I can tell that helped a little. Would it be worth it to look into a throttle body spacer? Or do they even make one for the Pickup?


no, they dont make a throttle body spacer for the 3.0, but the intake kit helped my truck.

Also, do you smell gasoline any where around the truck? about a year ago, i started getting really bad milage, down around where you are sayin. i was only gettin two or three trips back and forth between school when the milage was at its worst, which is only about five or six miles from where i live. after about two weeks of this, i started smelling gas around the truck. i found that it was leaking from a small, mushroom looking thing on the rear of the passenger side fuel rail. that is the fuel pressure vibration dampener. when it goes bad, it leaks fuel. unfortunatly, it leaks directly onto the exhaust crossover pipe on the stock manifolds. if it goes long enough, it runs the risk of causing fire. i hope this helps, just relaying my experiences with crappy milage lol. <img src="/forums/images/graemlins/lol.gif" alt="" />


formerly 277000_yota
Old enough to know better, but still to damn arrogant to care...
]www.cardomain.com/ride/2614269
'90 'Yota 4X4 (10/31/05-09/10/08 R.I.P)
'98 'Yota t-100. 3.4, 5 sp. 4x4, 2 in. Toytec with BFG A/T 265/70R16s
Re: Horrible Gas Mileage with 3VZE [Re: thefarky] #841538 10/24/07 03:54 AM
Joined: Oct 2007
Posts: 2
D
DKetch Offline
Need a Spot
I too have a 1995 Toyota (4 X 4) that I just purchased and was amazed that I only get about 15 mpg! I also noted that it has a gas smell when I start it, and was told by a friend that the oxygen sensor in these models (he has one) tend to go out frequently and may be the cause of the bad mpg. Anyone else hear of something along these lines? Thanks!

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