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SUVs Isuzu Trooper Isuzu Trooper Maintenance and Repair
313 messages, Last post on Nov 23, 2009 at 5:10 PM
You are in the Isuzu Trooper Forum. Your Hosts are steve_ & tidester
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Replying to: janisp (May 01, 2008 2:57 pm) -mike
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Replying to: paisan (May 04, 2008 9:06 am) My Q-45 was having a bad miss and knock sensor code came up. Three quick flashes and four slow ones,code 34. Well that's what would happen when I'm running on seven cylinders instead of eight . I actually had two ignition coils failing intermittently. Car has 8 coil packs. I checked the both knock sensors when I replaced the coils and one of them was testing good and bad when I moved the connector, so iI replaced it too. I always seem to get an EGR code 32, three quick flashes and 2 slow ones. Im not sur why but I leave my egr ehaust tube hand tight, because they can rust and be hard to remove if necessary. I now got a tube of anti-seize for this. I went for a smog test and it didn't pass, but just barely. Idle speed HC's are 40-ppm too high. I looked into the problem and checked for codes again. One quick flash and one slow for code 11. I remember the car almost shutting off when under a load a few weeks back so this might have set off this code for bad crank sensor. It runs all the coils and your ignition timing. Then I did a compression test, it indicated the RH bank all 20 psi less on compression than the left. A timing chain change got them up 10 psi to 170 PSI, still below the max of 185PSI. The car passed smog and my code light has not come on for the last day. I left the crank sensor alone, if its still running don't fix it motto. Doing the chain change, I had to replace all my intake seals, there's eight of them too, and I think that might have been contributing to the slight miss at idle. A big vacuum hose broke in half it too could have been cracked on the curve under neath where I wouldnt see it. It connects to my air filter duct and gets removed regularly when Im troubleshooting my engine. It can make the engine run too lean causing a small miss thus sending HC's out of acceptable limits for smog test. That is raw fuel passing through engine from a cylinder not completely burning all the gasoline, either because its too lean, or weak spark compression. Lean is a low CO reading on the smog test. From this history you can see only one code ended up causing me to change that component and that one dose not effect normal running perimeters. All others were intermittent and not currently affecting the running of my car. My codes erase after 50 starts, if he problem is not there at that time. Or if I disconnect the battery.Then you have 24 hours to get it out of the backup memory. This is a pretty sophiticated car for its time, 1990. The only codes to check fuel injectors is codes 45,and 51. Ignition system (coils) is not self dianostic, no codes for testing. Most cars give sensor data through these codes. Throttle postion code43,oxegen sensor 33, ignition signal 21, mph sensor 14,coolent temp 13,air flow meter12. These are my cars codes,most cars are the same. Code 55 is no malfuntion. |
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Replying to: DReynolds (Apr 20, 2008 3:34 pm) |
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So I have a 1988 isuzu Trooper II and I just bought this, but I missed something when I bought it...the top of the driver side tire is leaning inward quite a bit...what could this be? I was guessing a tie rod, Ball Joint, or axle or something along those lines. Any suggestions? 
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Tire inward on Isuzu? If its tilted in at the top it most likely the rubber bushing that support the tire and rim to the frame are gone or very worn out. My old F-100 had this problem and was not easy to steer. Camber is the tilt in and out of the tire at the top.Toe-in is just that. Turn your feet in and thats what toe-in does. I always align my own cars by putting the steering wheel straight and getting on the ground to see where the front tire sidewalls line up to the rear tire.It should be visible on the inside (the rear tire) and just out of sight on the outside. |
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Has anyone changed a 4 cylinder to a 6 cylinder? I have a Trooper II with a bad 4 cylinder and wondered how hard it would be to change to a 6 cylinder? 
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Replying to: atfdmike (Aug 08, 2006 2:28 am) 
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I recently replace the left turn signal bulb on my 2000 Chevy Venture Van and now when I turn on my signal and apply the brake, it blinks erratically. Even when I don't have the turn signal on when I apply my brakes, both arows light up, but they do not flash, but they all light up on the back of the van. Any suggestions.. How can this happen by just changing the bulb? Never had any problems before. 
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I have the problem of oil leaking into my spark plug wells....I know there are new improved wires to keep the oil off the spark plugs, but I can't find them anywhere. Do you know where I can get these? I have found the part number on myisuzu.com, but no part. I have searched and searched the internet, part stores and dealership, no one seems to know what I am talking about. Thanks for your help.
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