Last post on May 02, 2013 at 7:16 AM
You are in the Isuzu Trooper
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Isuzu Trooper, SUV
#10810 of 11964 Re: Experiment [silverghost]
Jul 30, 2005 (1:12 am)
Yes, my Trooper is 4WD and 5 speed manual transmission. Manual transmission makes the Trooper more fun, especially when driving it hard. I like that my trooper slows down when I let off the gas even down hill, it is scary to me the feeling of acceleration that you can get when letting off the gas and going down hill in a free rolling automatic. Now they have "grade logic" or some such in the automatics -- about time.
A long time ago I had a 1964 Corvair Eight Door Greenbriar Deluxe. I built an engine from junk yard scrap while running with the old engine to the junk yards in Florida, the ones with the rattle snakes in cages out front as a caution to scavengers that liked to crawl under. That engine I built with custom pistons and the distributer was very easy to adjust inside a little trap door on the rear of the van. The engine was running wide open a lot since it was small compared to the van. So, I would adjust my timing to match the fuel I was able to get. In the mountains out West the octane was lower than back East so I made this timing adjustment many times when driving cross country. Fuel economy was much better with higher octane and more agressive timing.
Along comes the very first Isuzu Trooper I have ever seen in 1984. I bought it in San Diego. I took it apart to see how it worked thinking I'd better be ready to work on it all the time just like I worked on my Greenbriar all the time. Never had to do much with the Trooper, just regular maintenance for 201K miles when I sold it so I could buy my 1995 Trooper with A/C. I decided to do a octane vs. MPG test over about 2 dozen tanks of gas some of each the low and midgrade and high octane fuel. I found that the Trooper would get better MPG with the midgrade enough to offset the extra dime per gallon. The high octane fuel did not add very much more MPG compared to mid grade and so I used mid grade since. My 1984 Trooper only had an 11 gallon or so fuel tank, my reason for wanting more MPG was not so much to save money but to increase range between gas stops. Several times I was crossing a large distance (Alaska, Idaho, Monana etc..) through the night and had to lower speed to 45 MPH to be able to keep going until a gas station would open along my route, I prefered to keep driving rather than stop and wait a couple hours for the gas station to open in the morning.
I have never repeated my MPG test over such a large number of tanks of gas, but I do like to use mid grade or sometimes they only has regular and high grade so I get high grade. Your mileage will vary.
#10811 of 11964 HELP! NO SPARK IT WON'T RUN!
Jul 30, 2005 (3:57 pm)
I have 89 isuzu trooper, i have replace relays, coils, disturbios, fuses. I have checked wires. I have even changed the ecm and still no spark. I also changed the maual under the intake. What do I do??????? What usually goes wrong with troopers???? Around here everytime I find one in a junk yard it is never wrecked. Please reply. I miss my trooper....
#10813 of 11964 Re: Experiment [boxtrooper]
Jul 30, 2005 (5:42 pm)
"Grade Logic" in late model automatics has the same effect as gearing down in a five-speed. Great stuff, Isuzu!
#10814 of 11964 Re: HELP! NO SPARK IT WON'T RUN! [troopergirl]
Jul 30, 2005 (5:46 pm)
Sounds like it's time to consult a mechanic who knows more than a little about electronic ignitions. Could be the battery, alternator, voltage regulator (assuming you have one) . . . Keep us posted, and good luck!
#10815 of 11964 Re: Experiment [silverghost]
Jul 31, 2005 (5:47 am)
I've noticed my Trooper doing that - and didn't know why.. Wow, now if they could get cruise to be autopilot we'd all be set!
#10816 of 11964 Re: Starter [95trooper]
Aug 01, 2005 (8:44 am)
It sounds like the solenoid isn't disengaging properly. I had a Porsche 914 that had the same problem - I'd have to whack the starter with a wrench to get it to stop grinding. Once I replaced the starter, no more problem.
As for the Duelers, everyone I know who's run 'em has noticed quick wear. A friend w/a 2002 Chevy 2500 running the same size 'upgrade' tires as most troopers (265-70-16) went through a set (almost down to the cords) in less than 40k miles - he switched to BFG TAs, and has managed 60+k with a good 1/4 to 1/3 tread left. YMMV.
#10817 of 11964 Re: Starter [95trooper]
Aug 01, 2005 (8:22 pm)
Your starter is failing.It is common on troopers.It's time to replace it.
#10818 of 11964 88 Trooper 2.6 Vacuum Hose layout
Aug 02, 2005 (6:18 pm)
Is there anywhere I can get a definitive layout for ALL vacuum hoses? I have seen the few pics on planetisuzoo.com but it leaves a lot out, still... I just got my 88 and found a lot of hoses needing replacement and during this, I have found a lot that are not hooked to anything. When I used the aforementioned planetisuzoo pics, I followed what I could but now I get a good start and then id shuts off. Cannot keep it running at all. It WAS just having an issue with not wanting to start when the engine was hot, now the symptoms have spread. I really want to think that both issues are vacuum-related, but I cannot find much out there for routing...
#10819 of 11964 RE: vacuum hose routing
Aug 03, 2005 (10:24 am)
You need to pick up a Haynes manual for that Trooper at Auto Zone. The book is only about $10 and it gives pretty good pics for hose routing.