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Old 12-05-2012, 09:25 AM   #1 (permalink)
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Default Driving with a high idle?

Going to take a look at this 91 Geo Tracker (5 spd, 4x4) Saturday.

1991 Geo Tracker/motorhome

It's about 2 hours away. Owner says it idles at around 2500 to 3k. Would it do long term harm if I drove it home that way? 95% highway driving to get it to my garage.

Also wanted to confirm that flat towing a tracker will tick away at the odometer? Owner says that many of the 74K miles where from towing it around the country.

Anything else I should be concerned about.

Thanks..............Rob
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Old 12-05-2012, 10:22 AM   #2 (permalink)
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If you are driving down to see it, take a vehicle that has a tow ball and drag it home..

The high idle is probably a gross air leak (vacuum).. Philip
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Old 12-05-2012, 11:03 AM   #3 (permalink)
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Now that's a good idea Philip. Save me having to bring a second driver. Still curious if driving it would cause any damage?
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1996 G-Tracker, USA, 16V, 5 Speed, 4WD, 2 Dr. Soft Top
1991 G-Tracker, USA, 8V, 5 Speed, 4WD, 2 Dr. Soft Top
1984 F250 2WD
1984 Southwind Motorhome (Beach Buggy) 454 W/4-brl.
1966 International Cub Lo-Boy Tractor
2004 KTM 950 Adventure
2001 KTM 400SXC
1999 KTM 125EXC
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Old 12-05-2012, 11:24 AM   #4 (permalink)
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You can flat tow a 4X4 for up to 200 miles before you have to pull over and run the engine and trans to cycle the fluid around. It's in the manual. You run with the T case in neutral.

I believe the speedo cable runs from the rear output so yeah it would add mileage if you to it.


2.5 to 3k isn't a fast idle it is a big problem... I wouldn't drive it like that. If there is a serious issue and the throttle sticks wide open it could cause an accident. 2 things to check is the throttle cable and like aquanut said an air leak... check vacuum hoses. Tug on them if they are split they will pop right off. Pinch the hose toward the engine side if the RPMs decrease plug that port until you can replace that hose.
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Old 12-05-2012, 11:39 AM   #5 (permalink)
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Most probably a vacuum leak. Pinch vacuum hoses and, other than the ISC hose coming from near the air filter, you should not get a change in idle in any circuit when the hose is pinched. When you do, you have found your leak. Unless this is actually the throttle cable sticking, engine speed will drop the revs down, unless you have the car in neutral. These cars normally start with a high idle of about 2000 rpm (but only for a few minutes till warmed up) - yet you can still drive them while the car is warming up.

When going to look at the car, check for rust, rust, rust. Get under the car and look at the frame by the rear suspension and gas tank. Maybe floorpan as well, if you can easily get to it. Rust is the big issue. Other than that, make sure the check engine light is on with the key on and off once the car starts. You should have good power, no bogging, etc.
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Old 12-05-2012, 11:56 AM   #6 (permalink)
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common places for rust on trackicks...

rear cab body mounts...



rear cargo area body mounts



Rear seat belt lower mounts...



rear seat latch...


Rocker panels...


Front fuel tank crossmember


Rear lower tail light housings...
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Old 12-05-2012, 02:04 PM   #7 (permalink)
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Thanks for the input. I'll let you know how I make out. Appreciate the pics on the rust locations. My 96 has a few of the same spots so I'm aware of where to look. One of the reasons I'm interested in this 91 is because it has had a single owner and has been garaged its entire life. Owner says the underside is clean. We'll see. Also interested in the tow bar. Thanks again for all the input. If I purchase I'm sure I'll need some additional advise.
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1996 G-Tracker, USA, 16V, 5 Speed, 4WD, 2 Dr. Soft Top
1991 G-Tracker, USA, 8V, 5 Speed, 4WD, 2 Dr. Soft Top
1984 F250 2WD
1984 Southwind Motorhome (Beach Buggy) 454 W/4-brl.
1966 International Cub Lo-Boy Tractor
2004 KTM 950 Adventure
2001 KTM 400SXC
1999 KTM 125EXC
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Old 12-05-2012, 02:13 PM   #8 (permalink)
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cool man, just be careful as I'm sure you know these trackicks hide rust well... the stupid undercoating can't be trusted. I have found a LOT of rotted out metal under the undercoating. Don't be afraid to poke around...literally
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Old 12-12-2012, 04:30 PM   #9 (permalink)
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Made the trip up and the Tracker looked real good in terms of rust. Owner has a lift so we put it up and I had lots of time to poke around. First gas tank cross member I have seen that was not rusted. Still had most of its original paint. As far as the high idle it did not do it for me on the test drive. 2k on start up then went down to below 1k after a couple of minutes. Tow bar was in good shape. So I pulled the trigger. Only issue is it does not have power steering. I'll have to add that later. Thanks for the help.....Rob
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1996 G-Tracker, USA, 16V, 5 Speed, 4WD, 2 Dr. Soft Top
1991 G-Tracker, USA, 8V, 5 Speed, 4WD, 2 Dr. Soft Top
1984 F250 2WD
1984 Southwind Motorhome (Beach Buggy) 454 W/4-brl.
1966 International Cub Lo-Boy Tractor
2004 KTM 950 Adventure
2001 KTM 400SXC
1999 KTM 125EXC
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