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When i drive my 2000 gallant and come to a stop, the oil light flickers. as i am driving or slowing down, this does not happen. I just had an oil change1,000 miles ago and the car has been fine. this problem started today. also, what kind of oil is best to use? 10w 30, 10w 40?
The problem is most likely either an oil pressure switch (not registering pressure properly) or the oil pump which isn't maintaining proper pressure at low speeds. As far as oil preferenc goes, it's a matter of where you live, how hard you drive, if the car leaks oil. In a warmer climate, 10W40 will stand up to the hotter climate better than 30 weight oil. Best of luck.
Greg
10-30 has a range of temp from 32 degrees to 75 degrees
10-40 has a range from 0 degrees to 90 degrees
this will determain what temp conditions you drive in
** also sounds like oil relay is bad on motor
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May have a weak or broken motor mount along with a bad ground showing up as the engine torques and lifts up losing ground and causing the issue of flickering lights .
check fuse panel first for blown fuse,second check your daytime running lights come on without flickering. if problem persists- all these are affected by headlight switch- controls interior lighting and headlamps and daytime driving lights
There are a number of reason that could cause this: bad sensor, low oil pressure, wire rubbed and grounding out.
You need to screw out the oil pressure sensor and screw in a pressure guage then crank the car and observe the guage. It should stay above 20 psi at all times.
a loose connection WILL NOT cause flickering oil light unless your your oil is empty at the same time a connector is loose. This flickering is most likely caused by clogged oil ports or failing oil pump. When this happens there is insufficient oil running through the engine, causing the sensor to activate the light intermittedly. Have this checked immediately to prevent extensive engine damage. Hopefully this helps!!
Sounds more like the Throttle Position Sensor or another sensor is letting the engine RPM's drop too low. When the RPM's are too low, the oil pump is not pumping enough oil.
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