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1-disconnecting battery over night/reconnect next day to reset ECU(what's the ECU?)
2-tighting gas cap
3-bad 02 Sensor.
I have a 01' S 4WD Trooper-Is the C/E light issue a common problem? Taking my Troop to the dealership today. I'm glad to have this forum for references.
Thanks for suggestions or comments
katg
-mike
Towing I got about 11mpg at 70mph.
My guess is your lights on the racks are probably the culprit, don't forget as my engineer buddy always says... "The Trooper has the aerodynamics of a Brick Wall!"
-mike
http://www.isuzu-suvs.com/gallery/markp.html
You can also look at a pic from Overlanders site:
http://www.overlander.com/jpgs_leadvehicles/troop98_lead.jpg
Jim
-mike
Thanks, Ted.
Basically on TOD equipped troopers there is no 4wd hi. You can only engage up to 62mph, but no limit after it's engaged. I leave mine in TOD almost all the time, except on the highway.
4wd Lo is only for slippery conditions when max traction is needed. You can only do about 40mph ish with 4wd Lo. You should almost never need 4wd lo.
4wd hi is only on part-time transfer cases and in those cases you have 2Hi, 4Hi, 4Lo. 2hi is for normal driving. 4hi is for slippery surfaces and off-roading and can't be used on dry pavement.
The hit for milage with TOD is about 1mpg. No other adverse effects of keeping it engaged 24x7.
-mike
-mike
If my wife drives on a whole tank we see 14 MPG routinely. If I drive it I can get up to 16 MPG which is more than 10% difference!
Lumbering around at <3500 RPM it does fairly reasonable.
Maybe you could try to isolate it by putting some insulation or something that fits tight up against it. You could jam the material in different spots until the noise goes away that might help pin point what is causing the noise? If you think you know where it is making the noise, take it by the dealer to have them look at it.
It doesn't sound like a safety issue, since you have 14,000 miles on the truck, but I would have to have it fixed, especially with a new vehicle.
My solution to the noise was simple and cost me $0.99. I went to the hardware store and bought screen spline that is used in replacing a window or door screen. i bought it thick enough to wedge into the area between the windshield and the plastic channel and wha-la the noise went away.
All this talk about MPG brings a couple things to my attention. I am amazed at the differences in the 3.2L and the 3.5L engines being used in the Trooper. For the small increase in size there is quite a difference in performance and economy. My 97' has to turn 3000 rpm to get to 75 mph. My 01' turns 2500 rpm to get to 75 mph. A significant difference in rpm for the 2 engines. But the 97' gets better mileage even though turning 3000 rpm and pushing a heavier vehicle.(97' is 4X4 while 01' is 2X4) measurable weight difference without the front transaxle etc.. I can typically get 19 mpg on the highway with my 97' while the 01' will be more in the 17 mpg range for the same conditions and driving habits. Oddly enough they both get about the same mileage around town, 15 mpg. I sure would have thought the 01' turning 2500 rpms would have gotten higher mpg than it does, but oh well...... I really believe Isuzu could have geared the 3.2L engines to turn 2700-2800 rpm at 75 mph without sacrificing performance and gotten considerably better mpg than the presently does. At highway speed there is little noticable power difference between about 2500 and 3000 rpm in it. Happy Trooping.
Also @ 75mph with the stock tires I turn about 2700rpms on the '00 Trooper. With the bigger tires I turn about 2400rpms at 75mph.
-mike
-mike
Yes I do have a bug shield. I will try the fix you mentioned. If you hav not seen my post on the maintance/repair board you should! I am having my transfer case replaced under warranty because of the 9 wire plug going into it coming out under normal use. There is going to be a TSB from Isuzu soon to fix this. The district Isuzu Rep said there have already been 5 cases of this in his area this year.
"Found front output seal leaking for Transfer Case
for front drive shaft"
So they R and R'd the seal:
Parts: $22.74
Labor: $174.72
Fortunately enough oil stayed in the transfer case and no damage was done. I picked up the car and pressure washed the underside. I will see how it looks tomorrow.
Thanks Mike, and beware Trooper owners! This is just one of those unusual things that goes bad.
This and a valve cover gasket leak in 5 years and 98k miles. I guess that is ok.
The 2001 results are out (for 1997 vehicles).
In the Midsize SUV category Isuzu Trooper finished second only to Toyota 4Runner. Mercury Mountaineer was third.
-mike
Of course I do remember my youthful off-road racer days when getting airborne was big fun. Learned a lot about auto mechanics back then - mostly fixing stuff I broke ~: 0
-mike
On my way home hit the nor-easter on the NYS Thruway. At this point I was running 35psi Rear and 32psi front. No slipping, no grip problems whatsover. I did use "3" for high speed snow driving on the highway and when we got into bumper to bumper snow traffic used "2" and "1" In "1" I was able to almost come to a complete stop w/o braking.
So in a word the 275-70-16 Pirelli Scorpion ATs did tremendous in the snow!
-mike
-mike
-mike
Check out my airborne trooper!
-mike
Like you, I found this strange since the 3.5L in the 98 revs lower at freeway speeds than the 3.2L in the 96.
My impression was that the 2 Troopers are of about equal weight but I could be wrong on that. 96 was a shift-on-the-fly 4WD and the 98 has TOD.
so now you need to be a lot more selective. your or your chosen mechanics need to know that you should blow the grit away from the plug hole before taking out the old plugs... which should NOT be done with impact wrenches... the threading and the new plug should start off clean and dry, with no rust or oil in the threading... and the plug threads should be lightly coated with anti-seize before being wrenched in. max torque is generally considered in the 10-12 foot-pound range on most applications, and grinding in the sumbucks until you bend your half-inch breaker bar is NOT how this is done, you use a dial wrench without angle attachments.
the plug should always be started with fingers, or a piece of hose slipped over the insulator of the plug. if it won't turn into the cylinder at least one turn this way, find out why, and do it right. if you don't, you can cross-thread the cylinder and not even know it, which weakens the metal.
-mike
PS Are their any repair/maintainence items I should be on the lookout for?
-mike
The windshield noise is a known problem on all Troopers from 1992 on. I have owned a 94 Trooper and now own a 2000 Trooper - both had the problem. The problem is caused by the depth of the track between the "A" post and the windshield. The gap is about 1/4" wide and about as deep. The wind moving through this channel sets up a vibration. If you eliminate the channel, you eliminate the noise. my dealer used a bead of clear silicone. Why they don't fix this known problem is beyond me.
Additional free piece of advice on your 94 - if the transmission ever goes bad DO NOT let anyone try to rebuild it, not even the factory trained mechanics get it right. I went through three of them in one year (at Isuzu's expense) before they put in a factory rebuild and solved the problem.