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SUVs Nissan Pathfinder Nissan Pathfinder Oil Consumption
12 messages, Last post on Nov 09, 2009 at 7:45 AM
You are in the Nissan Pathfinder Forum. Your Hosts are steve_ & tidester
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Replying to: nightmonkey1 (Oct 31, 2009 9:42 am) My problem is similar to yours: my truck is consuming that much of oil although it does not smoke (no oil leaking from the valve cover nor trace of oily deposit on tail pipe) and it seems to run good, and this makes me wonder where the oil is going. Granting that either the rings or valves are bad oily deposit should at least show on the tail pipe. I am stumped and do not know what to do at this point to fix the problem so I will keep a couple of quarts of oil and funnel in the truck just like you and top it off to normal oil level when necessary.
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Replying to: turbino (Nov 01, 2009 5:32 am) He added that the problem I have with this engine is "normal" and not due to the engine valve cover design. This engine, by spec, is supposed to burn through ".75 liters of oil every 1,000 miles." Those were his exact words. His recommendations were the following: 1. I check the oil periodically and top it off when necessary. At around 1500 miles use a supplement that will cut and eliminate any sludge in the engine to keep it running as clean as possible. 2. Use a Nissan branded oil filter at every oil change. 3. Don’t waste money on synthetic oil as the engine was not designed to take advantage of it. If this problem does not exceed the specs above, the car should pass emissions with no problems at all. If it does not pass emissions because of excessive oil burnout then you have another problem. Because I depend so much on this car, I have chosen to take the safest route possible. 1. I use synthetic oil. Valvoline 10w30. I know he recommended against it, however, I want the additional protection synthetic has to offer. If I’m on a long trip and I get low on oil, I need to be sure I can get home with that synthetic protection before permanent damage is done. 2. I keep a case of oil and funnel in my garage. It’s a pain but necessary. 3. At 1500 miles I use a “Lucas” brand add in to the oil to keep the engine clean. 4. I have the Nissan filters but have yet to use one. Will do on the next change and will report back if I see any change at all. By the way…this problem can give your cars emission system several false positives on problems. Let me explain why. Several of the engine sensors are driven hydraulically. The hydraulic fluid is the engine oil. If it gets too low, your check engine light may come on before you low oil lamp. If you take it to a shop to get tested, the test will conclude that one or two of your sensors are shot and must be replaced. I got talked into replacing two sensors by a Mineke mechanic with a price tag of just over $500.00 after parts and labor. Close to my next oil change and before I knew about the oil consumption issue my check engine light came on again. This time I took it to express oil change and they actually tried to work the problem instead of throw parts at it. The tech reset my computer after the oil change (after noticing I only had 2 quarts of oil left in my pan) and told my about the hydraulic sensors. He said if I kept the oil level as close to normal as possible, it should not happen again. To this date, I have not had a repeat of this problem. I hope this helps someone out there. Let me know if you all come up with something else. Thanks.
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Replying to: thelogix (Nov 01, 2009 6:56 am) It’s worth noting that the engine oil hydraulically operates several engine sensors. This makes the engine performance dependent on the oil level then. In this regard it is therefore absolutely necessary to have proper engine oil level before you operate the vehicle. Meanwhile we don’t exactly know what’s causing excessive oil consumption on Pathfinder it’s just logical to do something like the safest route possible you’re taking to avert low engine oil level occurrence that could result to other engine problems on the vehicle.
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Replying to: turbino (Nov 01, 2009 10:07 pm)
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Replying to: lousynissan (Nov 07, 2009 5:11 pm)
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Replying to: turbino (Nov 08, 2009 9:26 am) I presume the "mystery" oil that is being consumed is also fouling and clogging the CCs. I have no idea how long the fix will last. I will be trading in this piece of garbage as soon as my job situation is more stable. I was a loyal Nissan guy until now, my first was a 1972 240Z, my last will be this P.O.S. 2002 Pathfinder
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Replying to: nightmonkey1 (Nov 08, 2009 2:59 pm) |
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