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Check out my thread here:
Low Oil Pressure - 2009 LC9
First thing's first: Do you or a friend have access to a manual/analog oil pressure gauge to determine whether or not the sensor is lying to the truck's computer? Is the engine making all kinds of noise and/or shuddering when the OPS (oil pressure sensor) says the pressure is low? Does the pressure read normal at startup and then tail off to zero or very low?
The oil pressure sensor is known to go bad on these vehicles, along with a filter screen directly underneath it getting clogged.
As a first and inexpensive attempt to fix your problem, I would recommend running some sea foam crank case cleaner in your oil (Following the directions on the can), changing your oil AND FILTER, followed by a new OPS and new OPS filter. If none of these fix your issue, you can be fairly certain you've got a more serious (read: Expensive) problem. However these are the steps I took to remedy my situation, which can be found in my thread above.
Best of Luck,
-DS
Low Oil Pressure - 2009 LC9
First thing's first: Do you or a friend have access to a manual/analog oil pressure gauge to determine whether or not the sensor is lying to the truck's computer? Is the engine making all kinds of noise and/or shuddering when the OPS (oil pressure sensor) says the pressure is low? Does the pressure read normal at startup and then tail off to zero or very low?
The oil pressure sensor is known to go bad on these vehicles, along with a filter screen directly underneath it getting clogged.
As a first and inexpensive attempt to fix your problem, I would recommend running some sea foam crank case cleaner in your oil (Following the directions on the can), changing your oil AND FILTER, followed by a new OPS and new OPS filter. If none of these fix your issue, you can be fairly certain you've got a more serious (read: Expensive) problem. However these are the steps I took to remedy my situation, which can be found in my thread above.
Best of Luck,
-DS
