The oil gauge actually goes up when I accelerate. My mechanic tells me there's a bypass release valve that is stuck. He changed the oil (which was thick) and added a detergent to help the valve release. I've been driving it now for about 4 days without much change. I'm wondering if there's any other work around. Estimate for replacing is 1500. Please advise.
Sounds to me like your rear timing cover gasket is blown out, and your oil pressure varies due to the leak. you will have to remove front cover and check the oil passage covers for gasket missing or blown. pricy repair, time consuming. have done dozens of those.
SOURCE: High pitched electronic/dentist drill sound when accelerating.
Probably the front differential, your probably hearing the famous differential gear whine. Change the oil, put Lucas for gears in it. You can get a hand operated oil pump to **** it out through the dip stick if it has one. Then fill it with the recommended amount.
SOURCE: 2000 Xterra hesitateing, backfireing, not accelerating above 20mi
Airflow sensor very well may cause it , and Throttle position and temperature sensor too.
All of it has to be checked with good scaner , that can monitor values and data from ECM.
You need to find a better shop.
SOURCE: changing engine oil on my 05 Altima and notice
This is normal and is good. There is a one way valve built in the oil filter so when the engine is shut off this valve will shut and keep the oil in the passages so when the engine is started oil will be pumped in the engine quicker and oil preassure will be built up quicker.
SOURCE: 2000 Nissan Xterra, v6 4x2 automatic. have a
You got a timing chain
Injector cleaner,in my opinion is a waste of money
PO306 could be a missing coil on cyl #6,still should start
PO325 Knock Sensor-most likely okey
Plugs,cap and rotor,will not prevent it from starting,it used to run with old parts, before the current problem!
I suggest you make sure you got the plug wires on correctly and number them with a ball point pen,on both ends.
Make a diagram of the dist cap wire locations.
Check out the TPS Sensor and make sure you have all intake ducting in place. You need the MAF Sensor in the system to run have it run
Have you checked fuel pressure? The pump may be going bad
SOURCE: xterra no oil pressure
inner timing cover y shaped oil gallery gaskets..make your own or order the complete cover..costs from nissan are 500 canadian for the cover and around 1500 total for the replacement.oil pressure goes back up immediately after the install..alot of work to replace a cheezy piece of paper...
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