Question about 2006 Chevrolet Impala

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Oil pressure low sensor - 2006 Chevrolet Impala

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Low Oil pressure light in idle at stop

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

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oneStan
  • 431 Answers

SOURCE: if my low oil pressure light comes on for a sec

This is a tough question since either will give you that same signal.

I would suggest that you verify that the oil is not anywhere near low, or overfull. If the oil is at the correct level & at the full mark, you would have to suspect the sending unit.

Also, just as a check, you should make sure that the connection at the oil sending unit is in good condition. It should be on the filter mount. Clean, lightly lubricate with vaseline, di-electric grease, or just grease to seal & protect. this is in an area that picks up debris easily & even ice could work inbetween this connector.

Not knowing the history of your Impala, it would be hard to consider anything else. If you have had regular oil changes & used the same oil & type filter, that would make my investigation lean even more towards the Oil sending unit.

I've seen cars "flash" the oil light due to heavy braking on many occasions, but usually the oil is a little low.

If it was just once and your oil level is good, no noises, just keep your ear on the engine & eye on the light & Drive On.

Hope this helps.

Good Luck

Posted on Feb 11, 2010

iambanshee74
  • 3489 Answers

SOURCE: intermittent low oil pressure light going on. oil

I am assuming that the last people to change the oil were probably not the dealer?! If this is true, replace the filter with a AC Delco filter. There IS a difference in filters, pressures and design. If the level is good (?), this should really take care of the issue. Many manufacturers have addressed this issue in dealer TSBs and recognized that the aftermarket quick lube places have failed in quality as well as many aftermarket filter manufacturers.

Posted on Nov 01, 2010

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Need to know where the fuse is for oil sending unit on a 1998 Buick Park Avenue with a 3800 v6


There is no fuse for the oil sending unit ! Oil lite on , gauge not working ? Do you know what PCM five volt reference voltage is ? The PCM - engine computer supply's a stable 5 volt voltage to engine sensors . The oil pressure sensor is one of these sensors .
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The oil pressure gauge is an analog device that is located in the IPC. The oil pressure gauge is operated directly by the oil pressure sensor circuit. As the engine oil pressure changes, the resistance of the sensor and the current flow in the oil pressure gauge changes. The current flow in the oil pressure gauge causes the needle to move in order to appropriately display the engine oil pressure. A sensor resistance of 1ohms will display as 0 kPa (0 PSI) and a resistance of 88 ohms will display as 80 kPa (80 PSI ). The IPC also monitors the oil pressure sensor circuit and interprets the current flow in this circuit in order to determine when the engine oil pressure is too low. If the oil pressure is too low, the check gauges tell tale will turn on. The oil pressure sender is located on the left side of the 2.2L. The 4.3L engine, oil pressure sender is located at the top left side, near the distributor/high voltage switch.
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