Question about 2006 Chevrolet Impala
Low oil pressure light only comes on under hard accelation
This may sound too simple, but is your oil level sufficient? Some cars have the oil pump at the front, if the oil level is low and you accelerate, the oil is pushed to the back of the oil pan and the oil pump draws air and cavitates, causing momentary low pressure. If that's not the case, I suggest you hook up a direct reading oil pressure gauge, because it sounds like you have an actual oil pressure issue.
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Posted on Jan 02, 2017
Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.
Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.
Posted on May 16, 2008
sounds like mabey spun a cam bearing or main bearings are wore out
Posted on May 05, 2009
did you change the screen with the oil pump?
sometimes the screen will get clogged up and lose oil pressure.
Posted on May 27, 2009
Sounds to me like the Throttle Position Sensor. Thats usually what makes the throttle "rev" But that is not going to make the oil pressure drop. Pull the codes from your car and look them up online. sometimes there is an extra fuse u can add to your panel and turn the key on and it will flash your codes via the check engine light. i.e. if the light flashes 2 times then small pause then 1 time and long pause that is code 21. if there isnt a extra fuse you can usually jump it with a paperclip and pull the codes. not really sure how to do that with yours. but im positive Google knows ;)
Posted on Oct 20, 2009
It could be a number of things. easiest, low oil volume. A faulty pressure sensor, or just engine wear. Oil pressure is generated in the engine main bearings. The oil pump distributes oil through the engine (otherwise it would all just sit in the oil pan). If the main crank engines are worn the vehicle will begin to experience problems such as this and ultimately...failure. It's been my experience that a quality engine protectant such as "Lucas" oil stabilizer, Tuff Oil, or Slick 50 (the latter two protect and coat the engine with PTFE and/or Teflon) Buying time and extending the engine life of the vehicle. I'd check the oil level,and then check the oil pressure sensor and add a protectant before removing the pan to check the main bearings or pump. I hope I've helped. If so please rate my assistance and leave a testimonial.
Posted on Dec 27, 2010
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