Question about 2006 Chevrolet Avalanche LT
Pressure fluctuates from 0 to 550 kpa
Posted by Anonymous on
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Posted on Jan 02, 2017
If your vehicle has over 160000 miles on it and the low oil pressure is accompanied by engine noise.Chances are you have bearing clearence problems and or oil pump issues.The oil pan should be lowered for inspection.If there is no noise from the engine,install a manual aftermarket oil pressure gauge to make sure the original oil pressure gauge isnt faulty.Good Luck!!!!
Posted on Aug 04, 2008
SOURCE: Fluctuating oil pressure gauge.
Two quarts is about half the capacity. The pump was probably starved of lubrication and is failing.
If that's not expensive enough, you may now have a problem with a damaged engine. You may want to just put that money into a new vehicle.
I don't think the car would have enough power in its present condition to get high enough to reach a cliff, and driving it into a lake would not be environmentally sound. Besides, the fine would not be worth it.
The cheapest and easiest maintainance that anyone can do on a car to avoid expensive repairs is still checking the oil ever 1000 miles (filling if necessary!) and changing it every 3000.
Posted on Mar 18, 2009
I assume from the year it has high mileage. With mileage comes wear in these engine's bearings allowing oil pressure to drop because of the excess clearance between cam and bearings, also the crank and bearings. When the engine is hot and idling the oil is thinner and goes by the bearings quicker. If you have good oil pressure while driving, I'd leave it alone, maybe use a thicker oil or some lucas additive. My 89 does the same thing sometimes in the summer, but don't remember it doing it this summer. I use Mobil-1 and an AC Delco filter.
Posted on Oct 17, 2009
Testimonial: "Thank you the answer was quick and to the point "
Well there are quite a few things that casue a "surge" in a common rail diesel. You will need to check injector flow rates (scanner only). Fuel pressure regulator for pulsing (scanner only). Supply side fuel system for air leaks (seeing if it is sucking air into the system).
My bet would be the injectors, because you say the rpms aren't going up and down, which is usally what happens when the regulator goes bad, and when you **** air into the supply they have an extended crank. Report back with your findings.
Posted on Nov 24, 2009
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