Question about Nissan 350Z
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Posted on Jan 02, 2017
The fuel pump on that model runs through the oil pressure switch so that if the truck looses oil pressure,It kills power to the fuel pump to prevent engine damage.you need to find the cause of the low oil pressure reading(possibly a bad oil switch).That would be the cheapest place to start,or have it checked with a mechanical gauge.Good luck,
Posted on Mar 30, 2009
SOURCE: high oil pressure in my humer h2
If you had read the Owners Manual, the H2's Oil specification is 5w30 and not 10w30. I only know this because I own one. Before doing so please resort to owners manual to verify the oil type. This is what I would do but don't quote me. I am no H2 professional mechanic. I am very sure H2's technical problem may originate from the oil sensor. in turn it may affect the spark plugs (only) and oil filter. By changing out the oil, oil filter, spark plugs and oil sensor it should return to normal.
Posted on May 07, 2009
While engine is running, open the cover where you add oil to engine and see if you see a good flow of oil, if good flow, could be as easy as replacing oil sending sensor. got to realize that if poor maintenance history your engine may not be building enough pressure at iddle to move your hydraulic operated valves, only when you rev it up it will pump enough to run smooth. if running engine too long, you may cause more damage to other engine components such as crankshaft and cam shaft bearings. if you can spare a few bucks, have a good mechanic check your oil pressure with a mechanical gauge. another cheap option is to replace oil pump. last resort if you love your truck as much as we do,replace engine or rebuild it. At 205,000 this is a normal symptom, other than timing chain problems, most engines don't make it that far. hope this helps!
Posted on Mar 01, 2010
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