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Re: Oil used in a 1992 Isuzu Rodeo
Depends on your temperature, and where you live if it uses a little oil use a little heavier to cut consumption. If it is always cold where you live like below zero, I wouldn't use more than a 20w 30w. in warm climates a 30 weight oil is ok, but if you have low oil pressure you can safely use forty weight.
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if you are using a quart of oil every 1000miles,that is NORMAL FOR A MODERN ENGINE.thats why they last so much longer than the old technology.you could try 20/50 oil when you next change as that will help.but worry when it gets to pint every 350 miles.
10w 40 any brand, and the engine holds 5 qts. But I would check it after a few miles just to make sure. It might hold 6. Mine has a deep pan but I can't remember how much I put in, I just fill it up. Hope this helps.
this is caused by worn hydraulic valve lifters. try a good "seafoam" engine flush the next time you get ready to change your oil. follow the instructions on the can and then use 10w 40 oil and an isuzu(or honda) oil filter. you should notice a dramatic change.
Apart oils and filters, everything that's worn out or past it's lifetime: coolant, steering and brake fluid - 2 years; timing belt - 50000 miles or 5 years; brake lines - recommended replacement every 5 years.
How much is a little oil? 1 quart(US) in 5000 miles is reasonable oil consumption. If you don't have any major leaks, the oil is going out the exhaust pipe. As the engine wears the piston rings dont seal as well as they used too and the oil gets burned in the combustion process. You didnt mention how many miles you have on the vehicle, An engine with 150,000-175,000 is going to burn a little oil..
Do a compression test on all the cylinders and see if the rocker arms are adjusted to the right. If the compression is bad then there will be no power at all and if the Rocker arms need adjustments you could be losing some power there too.
You can try cleaning out the engine from the inside out. I have done this many times when I buy a use car. I run Marvel Mystery Oil with the engine oil for about 4 months and keep an eye on the oil level. Marvel is a thinner oil and clean out the inside by removing the carbon collected and oil sludge inside the engine.
You may end up having to replace the oil pressure sensor, it seams to always be the first to go bad and may get some oil leaks. But once the engine is cleaned up you'll have a better understanding on the condition on the engine and be surprised on how well it runs after.
Just keep an eye on the oil level and change the oil and filter to free up the engine, then use the recommended oil and add Lucas oil and or Restor to help the loose of compression.
The loud tapping tells me that your not getting the oil to the top of the engine and that may be a bad oil pump but it may also be a plugged oil pump screen and the Marvel Mystery oil will clean up the oil screen.
Good luck and hope this helps, Keep me posted on your Rodeo.
You don't say how many miles or give a service
history, but, that said I would check the timing belt and
tensioner. When tensioner goes bad is often is reported as a loud knock
or tick. Usually most evident at low RPMs. Another low cost try is to
use a can of seafoam in the oil now, run it a few miles, then change it
for a high detergent, low viscousity oil and drive it a while to see if
the lifters clean up. engine tick is very common, generally due to
lifters oil passages getting sludged up a little for 2nd gen 3.2l's