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Isuzu Trooper

11965 messages,  Last post on May 30, 2013 at 10:05 AM

You are in the Isuzu Trooper Forum.

What is this discussion about? Isuzu Trooper, SUV

Messages Page 1119 of 1198

#11173 of 11965 my Trooper eliminated oil use by boxtrooper

Feb 23, 2006 (9:28 am)

My 2001 Trooper was using oil, enough that I could dump in another quart after 2000 to 3000 miles. Last oil change was with an oil cleaning flush administered by my Isuzu mechanic where they run the engine with a machine inplace of the oil filter. I checked the oil at 2700 miles and the level is just 1/8 inch below full, so no room to add any. I did not expect this result. I only did it as a prevention because I always drive my troopers at least 200000 miles and I want it good as new the whole way. Since 1984 I have driven about 400K miles on troopers trouble free, never stranded.
..
I did a similar flush with my 1995 Trooper (when I had it) at the local Caddilac dealer. The 1995 never used any oil, but had the lifter tick. That oil flush did not cure the lifter tick until I drove another 300 miles. So I did not expect much from the oil flush on my 2001.

#11174 of 11965 Re: Steering wheel play [mpel] by sbcooke

Feb 26, 2006 (4:47 pm)

Replying to: mpel (Feb 15, 2006 4:06 pm)
There is a good technical article about tightening the steering on Troopers.
 
http://www.planetisuzoo.com/articles.htm?id=88
 
I would suggest having a shop do it, but it gives you a little insight into it.

#11175 of 11965 mysterious engine shutoff by mike234

Feb 26, 2006 (7:38 pm)

hey everyone- i'm having a weird engine problem with my 88 trooper II: when i start it up, it runs fine for about 2-3 seconds, then dies. there's a viper 300 car alarm that someone installed and then partially disconnected a long time ago and i thought that might be the source of the problem since my parking lights began to flash (an alert feature of the alarm) when the problem started and since engine shut-off is also a feature of the alarm. i pulled the wire harness out of the alarm box, assuming this would disable it, and, although the lights quit flashing, the engine still dies. i checked conncections at the alternator, distributor and coil and i know it's getting fuel because i've started it probably 20 times in the last couple days while trying to figure this out. could some part of the alarm be functioning still? any other ideas?
 
thanks and keep on trooping-
mike

#11176 of 11965 Re: mysterious engine shutoff [mike234] by atfdmike

Feb 27, 2006 (9:38 am)

Replying to: mike234 (Feb 26, 2006 7:38 pm)
Are you getting a check engine light or any other indicator?Displaying & Reading Trouble Codes
  
  
"Check Engine" Light And Diagnostic Connector
  
  
   
  
 
To access trouble codes, a test lead (white wire) and ground lead (black wire) are branched from the wiring harness under the center console near the ECM. With the ignition "ON" connect these two leads together. The "Check Engine" light will begin to flash code 12. Code 12 consists of one flash, a short pause, then two flashes. After a longer pause, code 12 will repeat two more times. This check indicates that the on-board diagnostic system is functioning. If no other codes are present, the cycle will repeat until the ignition is switched "OFF."

#11177 of 11965 Re: mysterious engine shutoff [atfdmike] by mike234

Feb 27, 2006 (5:37 pm)

Replying to: atfdmike (Feb 27, 2006 9:38 am)
sweet, i've heard about that diagnostic system before, i'll see if i can find the wires and give it a shot...
 
thanks for the tip-
 
mike

#11178 of 11965 2000 Trooper with problems by otis7

Feb 27, 2006 (6:54 pm)

I am a devoted Trooper owner. I'm now on my third Trooper--a 2000 Limited. I bought used with about 47k on it. At approx. 62k, the transmission went and it was replaced. Shortly after the transmission was replaced, I started hearing a noise that occurred typically when the car was in a lower gear and starting up slowly. I took it to 3 different mechanics and not once could I replicate the noise. After a transmission guy looked at it and checked everything, the noise stopped for a while. About a month ago it started again. It shoulds like a muffled grinding is the best way to describe it. Last week, the catalytic convertor broke at the manifold and had to be replaced along with the oxygen sensors. And I'm still hearing the noise. it's even worse. I am ready to ditch it. Any one have any thoughts/similar experiences?
 
Many thanks in advance.
 
C

#11179 of 11965 Re: mysterious engine shutoff [mike234] by aflynn

Feb 28, 2006 (5:29 pm)

Replying to: mike234 (Feb 26, 2006 7:38 pm)
I have an 88 with the same problem. I bought the car a couple of years ago. When I got it the story was it had an electricl problem. When I started checking things I found it had several cracks in the head. Several mechs. told me it wouldn't run right until I replaced the head. That has been done and I still hve the same problem. You can start it and it shuts of in a few seconds. If you give it gas and hold the idle at around 2000-3000 it is ok. If you let off some it may stay running but it runs real rough. I had to replace the fuel pump so I am getting a good flow of gas. There are no error messages coming up. I pulled the timing cover off at the top and verified that #4 cylinder is firing when both timing marks are up. The vacuum hoses have been checked several times. The EGR seems to work. Fast idle solenoid works when power is applied. I haven't been able to set the timing correctly yet because it won't idle. I have been able to get it down to 1000rpm a few times if I keep pumpng the gas pedal. When I tried to set the timing I noticed it was about 16 before TDC and every time the motor sounded like it was going to stop the timing mark would go close to 0. Any help woud be appreciated. I noticed previous post on this was from NC I'm not far from you if you want to compare things you have tried. Thanks.

#11180 of 11965 Re: mysterious engine shutoff [aflynn] by boxtrooper

Feb 28, 2006 (9:20 pm)

Replying to: aflynn (Feb 28, 2006 5:29 pm)
It sounds to me like you are getting too much air for the fuel going in at idle. Check for leaks into the vacuum under the carburator. I once had a 1984 Trooper and to improve its idle performance I replaced the throttle plate. The throttle shaft runs through the throttle plate and turns the bottom butterfly under the carburator. The 1984 Throttle plate was not part of the carburator, but a thin maybe 1/2 thick part under the carburator, easy to change.
..
Maybe your idle mixture needle valve is dirty not letting enough fuel in for idling. On my 1984 I tried to adjust idle mixture. But since mine was made for California, they plugged the hole over the needle valve adjustment with a slug of aluminum, so to adjust I would have had to drill the plug out. I replaced the throttle body instead to stop the air leak and that seemed to work.

#11181 of 11965 Re: mysterious engine shutoff [mike234] by atfdmike

Mar 01, 2006 (9:32 am)

Replying to: mike234 (Feb 27, 2006 5:37 pm)
If you get a code and need to know what it is, post it with the year and engine type and I am sure someone can come up with it, along with ways to address the problem. Good luck.

#11182 of 11965 89 Trooper will not start by 89trooper

Mar 01, 2006 (11:51 am)

OK i've been thru H*** and back with this car we tracked it to the ECM bought an ECM thru someone we found online well the first they sent didn't at all so they sent us another one which did work but only for 2 days(In the ECM there is a Memory Calibrator(Smaller Chip) Unit and a Prm Unit(bigger chip)that you are suppose to pull out and replace with your car original ones which we did with the first ECM that didn't work.. with the second we changed both out then on the off chance just changed the Prom Unit and used the Memory Calibrator that was sent in the box and for some odd reason it ran. We were of course happy but like i said only ran for 2 days... in th middle of all of that i sent my original memory calibrator back to the company in one of the ECM's(core price) which didn't work anyhow..anyhow brings me up to date with the company having just sent me another ECM and aaarrrrgghhhh my car is still not running any help at all??? by the wat not even a chech engine light thanx Lisa

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