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Isuzu Rodeo

2255 messages,  Last post on Nov 17, 2009 at 5:00 PM

You are in the Isuzu Rodeo Forum. Your Hosts are steve_ & tidester

What is this discussion about? Isuzu Rodeo, Honda Passport, SUV


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#1476 of 2255
I still desperately need help in Californa by wjf
Dec 29, 2004 (9:41 am)
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I have a 1991 Isuzu Rodeo 4 wheel drive. I took it to a mechanic yesterday because when the vehicle gets warm and it idles the pressure needle on the gauge goes down to "0" and the oil light comes on. They took the oil pan off to replace the oil pump and discovered that the pump was working fine so they put the pan back on. I am sure they did some other things also to check it. The oil level is fine and I get regular oil changes but this problem started a couple days ago. Is my engine in danger? Can anyone help me? What is the possible cause of this problem. When I am driving along the gauge is fine but when it idles it goes to the zero and the oil light comes on. I am desperate for some advice since I know nothing at all about vehicles.
 
My main problem I guess now is that in this state we are required to get a smog test before we sell a vehicle and it will not pass smog with the oil light coming on.
#1477 of 2255
Re: I still desperately need help in Californa [wjf] by tidester HOST
Dec 29, 2004 (10:04 am)
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Replying to: wjf (Dec 29, 2004 9:41 am)

Does your idle speed drop too? You may have a problem with the idle control air valve. You might also consider using a heavier oil (10W-30 or 40) on an older vehicle. In any case, you should have your mechanic directly measure the oil pressure with a mechanical gauge.
 
Good luck!
 
tidester, host
#1478 of 2255
by paisan
Dec 30, 2004 (12:14 pm)
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10-40 for sure
you could even go to
15-50 if need be.
 
-mike
#1479 of 2255
Re: I still desperately need help in Californa [wjf] by gprodick
Dec 30, 2004 (4:15 pm)
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Replying to: wjf (Dec 29, 2004 9:41 am)

Is it possible that you have a faulty oil pressure sending unit? This could give you an erroneous reading.
#1480 of 2255
6VD1 Engine..Used or Remanufactered by 97rodeo
Dec 31, 2004 (5:39 am)
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I saw a Rebuild/ Remanufacturing company that suggested buying a used engine rather then a reman/rebuild because of the lack of material for grinding/ honing etc. which would thin the engine out and reduce its life span.
On the other hand, there are "hundreds" of engine reman/rebuild companies that say nothing about that, and will sell you a remanufactured engine.
With 200,000 miles on my Rodeo, I would like to start thinking about a new heart for her.
So, any ideas or knowledge about this? Rebuild the engine I have, a used engine or a remanufactured engine? Thanks...
#1481 of 2255
Re: 6VD1 Engine..Used or Remanufactered [97rodeo] by steve_ HOST
Dec 31, 2004 (5:58 pm)
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Replying to: 97rodeo (Dec 31, 2004 5:39 am)

Good question - was this in reference only to a Rodeo engine or any replacement engine?
 
Try asking over in Got a Quick, Technical Question? too.
 
Steve, Host
#1482 of 2255
Re: 6VD1 Engine..Used or Remanufactered [steve_] by 97rodeo
Jan 01, 2005 (4:12 am)
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Replying to: steve_ (Dec 31, 2004 5:58 pm)

Steve,
Below is the site URL that got me started (confused) on this.
www.rebuilt-auto-engines.com
It appears that some engines are OK to use a reman engine and others a used engine. Even the 02 Explorer shows that it should be replaced with a used rather than a reman. engine.
The 6VD1 in the 97 Rodeo happens to show used.
I also have a 91 Isuzu pick-up, 235,000 miles, and it shows that a reman engine is OK to use.
As I had mentioned, this was the only site that talks about weather to use one or the other. No other sites I have looked at mention it.
I will post my question on the other site and let you know if I come up with anything.
Thanks and Happy new year! pjs
#1483 of 2255
Re: I still desperately need help in Californa [tidester] by wjf
Jan 01, 2005 (2:05 pm)
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Replying to: tidester (Dec 29, 2004 10:04 am)

yes my idle also drop. The needle only hits the "zero" after the engine is hot and the truck is standing still (idling)
#1484 of 2255
Re: I still desperately need help in Californa [gprodick] by wjf
Jan 01, 2005 (2:11 pm)
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Replying to: gprodick (Dec 30, 2004 4:15 pm)

thanks - are they expensive to replace or can I do it myself? I am not a mechanic of any kind but I can usually replace what I take apart if it is easily accessible on the out side of the engine.
#1485 of 2255
Re: 6VD1 Engine..Used or Remanufactered [steve_] by 97rodeo
Jan 02, 2005 (6:17 am)
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Replying to: steve_ (Dec 31, 2004 5:58 pm)

Steve,
This is the response from Mr_Shiftright.
Good common sense. pjs
 
It's worth paying attention to that. There are definitely some engines that have not had a great rate of success with over-boring. Personally I don't see the sense in putting a brand new engine in such an old (mileage-wise) vehicle, since the rest of the car still has 200K on it and other major components are at risk.
  
You might be able to buy an entire, very decent lower mileage 97 Rodeo for close the price of an expertly built engine. Figure a used engine, by the time you've done everything necessary "while we're in there", is a $2,500 proposition at least.

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