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You don't say what year your trooper is or the year that you swapped the used differential from, but, regardless,
go to www.myisuzuparts.com and enter the details of your vehicle and you can look up the part numbers you need.....or compare to see if there are any differences.
If I remember, the rear diff in a Trooper is a 12 bolt Isuzu corporate axle, so you ahve the removeable 3rd member, and they are pretty much the same, except that depending on the year, Troopers were equipped with the limited slip diff as standard.
Hope this helps. Good luck.
P0171 O2 Sensor – System too Lean (Bank 1)
P0172 O2 Sensor – System too Rich (Bank 1)
P0174 O2 Sensor – System too Lean (Bank 2)
P0175 O2 Sensor – System too Rich (Bank 2)
Any ideas?
Thanks
I assume these are the most common causes for the codes coming up, but the low fuel pressure and vacuum leaks are certainly the most likely of the three, I would think. Hope this helps.
I don't know if you remember me or not. I was the one who left the post I have down below. You gave me advice on replacing my ignitian (distributor) module. When I did so, my Trooper started like a charm. I thought it ok to email you back because you seem very knowledgible in the subject.Though the fix you gave worked, I seem to have the same problem now but a little different.
The other day I started my truck up and went to a friends house. While I was sitting there waiting in my truck, it all of a sudden stopped running. When I tried to restart, it wouldn't do so. It just turned over. After about an hour, I went out to try to start it, and it started right up. When I headed on home, I drove about 5 miles, and than it stalled again. I did go ahead and problem solve everything listed in my previous post below, but nothing worked. I even went ahead and replaced the ignitian (distributor) module with a new one, and still it wouldn't start. Of course once again, I had to have my truck towed home. That next morning, I went out to see if my truck would start, and it started right up. I let my truck run for about a half hour, and it did not stall. It almost seems like it happens when my truck gets warm.
So here. Not sure what to do. I'm afraid to drive my truck because I don't want it to stall again.
If there is any advice you can give, it would be a great help...
Tracy
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I really hope someone can help me. I ran into a situation today with my 1990 Isuzu Trooper 5 speed manual. With a 2.8 liter V6.
Today I stopped to wash my car at the car wash. After I did so, I jumped on the hiway. About a miles down the freeway, My vehicle stalled. On the side of the freeway, I went thru the process of problem solving the situation. This is what I had done....
First and foremost, I checked the distributor and router for moisture. In doing so, I found no moisture. I then checked all the plug wires, and everything was secure and dry. After that, I went ahead and checked to see if I had blown a fuse. In doing so, nothing was blown. I also checked the fabric wire fuses and rearanged the relays next to the fuses. Then I started to think that there was fule pump problem. I went ahead and put some fuel in the carb from a gas can I always keep for safety purposes. I added not too much and not to little. In craking it over, nothing fired. It just turned over. So then I got thinking, maybe my coil was shot. I went ahead and purchased a new one at the auto store and replaced the old one. To all avail, It still woudn't fire up. All it's doing is turning over. In the end, I ended up having to have it towed home.
So here I am, and I just don't know what to make of it all. When I look back to what I did at the car wash. I didn't open the hood this time to wash down the engine, so I don't know how water could have got anywhere. One thing I did do was spray under the engine and the under carrage. I always do so here in Colorado. Esspecially when the snow and mud collects underneeth.
If there is anyone out there that can help me troublshoot this problem, It would be soooo greatly appreciated....
Thanks a bunch....
Maddy
Matthew
Tracy
To check for ball joint wear, jack up each side of the front until there is clearance under the tire, slide a pry bar or other lever under the tire and try lifting it or moving it in or out. Any slop while doing this would indicate worn ball joints or bushings. Have someone observe the mounting locations while doing this to detect where the movement is occuring. The inner and outer wheel bearings require adjustment periodically, along with lubrication. I think Isuzu recommends every 30,000 miles or so. Make sure they are adjusted and that movement, if any, of the the wheel is not due to loose bearings. HTH
My parents bought my 1998 Trooper w/Performance Package from me a couple years ago. It had 120k miles and very very few problems in all the time I had it. Since they took it over, it has had nothing but problems.
My Dad is going to get rid of it because of the latest problem -- trans is not working right, rarely shifts into 2nd gear and won't go past that. I don't know the details, but the local shop said a rebuilt transmission would run $800-1,000 and a new trans would be quite a bit more, I think my Dad said $2-3k.
That price quote for the rebuilt trans seems VERY reasonable -- is it way too low?
I think the problem may have started when my Dad had the trans flushed about a year ago, approx 130k miles on vehicle. I warned him not to do it
My Dad is leaning toward donating the vehicle but with the current IRS rules, I don't think he will get much out of this.
Selling it might be an option, but who would buy a truck that needs a new transmission? I'd love to get him to fix it then sell it, but I don't think he is willing to sink any more money into it.
Parting the truck out might not be worth it, but I wanted to explore all options. I've convinced him to let me help remove the running boards and sell those on Craigslist, so that's a start.
Overall, the truck is in solid shape -- the TOD system still works, everything inside is functional and the upholstery is still in nice shape. One ding on right rear above the taillight and some bubbling rust at the bottom of the window on rear door. Other than that the exterior is pretty sound.
There is an awes ome post there that gives an easy description on how to do it.
It pays to export RAVs, CRVs, even US Benzes and BMWs and especially Subarus to Europe now. The prices are literally triple on some of these, so even after all the fees (transport being the least of all) you can still make a good profit.
Posts written in ALL CAPS are hard to read so I suggest you not use them. Many people just skip over posts in all caps.
A friend of mine got a crate engine for his older F-150 for $5,000 a few months ago. That was a Ford rebuild and came with a 3/36 warranty. The no-name crate engine was going to cost $4,000 installed with a 1/12 warranty. That's in Boise - labor may be cheaper in your area.
So do you have any suggestions about getting it started because I don't want to have to toll it everywhere to get estimates and all that. Do you think it might be the ignition or starter and if so how hard would it be to replace.
I live on a military base and they have an autocraft shop where I would have all the tools to do it.
Is it worth a shot to try replace one at a time and see if it works or just take it in?
I'm not much of a mechanic so ... I've hung around a base wood working shop a few times and the people there were always willing to help, so why not ask around there?
Don't know about getting it started either - it sounds like it's cranking so maybe a fuel issue? But if the engine is toast, I don't know. It's not clear to me whether you've tried to jump start it or just are charging the battery. Maybe the battery has a bad cell along with the other problems. Tried any starting fluid?
Can any Troopers owners help?
Also does anyone know a place to get the speed sensors (auto 4wd TOD) for the trooper other than from the dealer?
Thanks
The passenger power seat stopped working where the driver seat works fine. Any ideas if it has its' own fuse or what could be the problem?
thanks,
m
I think that, realistically, only H2s, Monteros, and older Kia Sorentos can edge the Trooper (though very slightly) in how much gas they use.
Have you had the brakes checked? If you have a bad caliper that is dragging, that could really hurt the mileage. Have spark plugs ever been changed? They are good for 100K miles max. Also probably need to check that they are the correct ones. Reports of changing to non-specified plugs can cause problems. You might also try some fuel system cleaner, either have it done or run several batches of injector cleaner through.
Is your Trooper displaying a CEL? If so, code from that might point to a problem.
Any tips will be appreciated.
Thanks
Make sure you use the right marks on the rear timing belt cover for your model engine....there are both dohc and sohc marks. HTH.
However, the problem sounds like the transmission....