Question about 2003 Holden Jackaroo
The engine may have a intake vacuum leak. A defective O2 sensor has no effect on engine idle or performance.
Posted on May 17, 2017
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Posted on Jan 02, 2017
I believe the 3.2 is a Honda/Acura engine and not a Isuzu engine. Are you talking about changing the engine oil or the transmission fluid? I ask because you state "the oil drainage plug" but later you mention the Automatic transmission.
As for engine oil plugs, they are almost always found low on the engine oil pan, sometimes facing the front (like my Jag), to the side (like my Ford Ranger) or to the rear like my 90 Acura Legend 2.7L V6 did. Most have a bolt with a washer that should be replaced every time. If it doesn't look like a large hexagonal bolt head it could very well be a rubber plug that is pushed in. Not a good design in my humble opinion. If you change the oil be careful not to do it when the engine is hot as the oil is also quite hot. I believe in doing it when just warm, more drains out. I find it beneficial to drain about a quart out, put the drain plug back in and add a quart of Gunk or Snap engine oil slush, start it (but don't rev the engine & DO NOT DRIVE THE VEHICLE) and let it just idle for 15 minutes. Give it some time to cool then remove the drain plug and let it drain out. Next remove the oil filter. Always ALWAYS pour fresh oil into the new filter a couple of times before screwing it on, and spread a little oil on the little rubber gasket on the filter first. I recommend synthetic oil for any vehicle as it doesn't break down into coke (hard rock-like black stuff) like conventional oil does. Those coke deposits are engine killers. I like Mobile 1 extended fuel economy. Synthetic costs more but lasts longer. If using synthetic were to only extend the life of your engine by two or three years, I consider it well worth the added expense. It should reduce wear in the engine, keep it much cleaner, make it quieter, and give you better mileage because it's slicker (less internal friction).
Posted on Mar 24, 2012
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