Question about 2005 Chevrolet Colorado

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Low oil light on

Its on when rpm is under 1000. start and drive no problem

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  • Chevrolet Master
  • 5,309 Answers

If you have the correct amount of good quality clean oil in the truck, use a mechanical gauge to check actual oil pressure. If all is well, replace sender unit.

Posted on Jan 12, 2015

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Posted on Jan 02, 2017

  • 1986 Answers

SOURCE: Oil Pressure Light Comes On after 10 min of Driving

You may not have put the right amount of oil in your car, your oil pressure sensor could be faulty, or you may have a leak.

By revving your engine, you're increasing the pressure and thus turning off the light and making the sensor think that it's at the correct pressure.

Posted on Sep 08, 2009

grubby47250
  • 17 Answers

SOURCE: Car won't idle

First if the "service engine" light is on I would have a local retailer or garage see what the codes are. For possible TPS, IAC, or mass air flow problems. TPS being "throttle position sensor" IAC being "idle air control" If a light is not currently present, listen under the hood for a hissing noise or signs of a vaccum leak.

Posted on Feb 13, 2014

Testimonial: "Thank you. Light not on. Will check vacuum lines. Plan to look at valve and clean up any carbon. Am going to replace fuel filter."

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1 Answer

Why is my oil light coming on when my rpm goes below 1000


you have low oil pressure when the oil warms up cam barring or crank shaft barring main barring you can try a thicker oil like 15/40

Apr 26, 2015 | Toyota Corolla Cars & Trucks

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My 2007 307 1.4 showing the message low oil pressure when under 1000 rpm if u bring the revs up to 1000 or above and it goes away . The oil is full so no problems with . Anyone any ideas whats wrong with...


It could really be low oil pressure, or a faulty oil pressure switch/sender. I would remove the pressure switch and put a gauge on it. it you have good pressure at idle then i would suspect the pressure switch.

Nov 26, 2014 | Cars & Trucks

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Why does the oil light turn on when rpm drops below 1000


Oil light pops on at low rpm because at a low rpm, your engine is not running fast enough to maintain full pressure. this is because either you have an oil leak, or defective oil pressure switch.

Apr 01, 2012 | 2006 Chrysler PT Cruiser

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I have a 2000 Chrysler Grand Voyager. The oil light keeps coming on when the engine is at an idle, under 1000 rpms. If I am driving and the RPM's get up above 1000 the light will go off. I checked the oil...


could also be wrong type of oil but worst case is the big end bearings inside the engine have gotten to big to maintain oil pressure and as you guessed the oil pump could be worn out, i would try changing oil pump first.

Jan 25, 2011 | 2000 Plymouth Grand Voyager

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Hello, I have the same issue like bjmadm1234 posted. The solution suggested unfortunately does not work for my car (Dodge Grand Caravan 1997). We already exchanged the Oil pressure switch, after driving a...


I would suspect that you have a weak or failing oil pump, however before condemning the pump I would do a physical oil pressure check with a gauge. Oil pumps are not easy to replace so lets make sure it is the problem before replacing it. For reference yours can be done with the motor in the vehicle.

Physical Pressure Test:

This may require you to tuck a oil pressure gauge under the driver side wiper arm and go for a short drive to make the situation replicate. Depending on how you hook up the gauge (in place of oil pressure switch) the light will be on full time during the testing and this is ok. If you can replicate this symptom that you are reporting in the drive way in gear it is desirable as you can better read the gauge.

The oil pressure should be:

3.0L = Oil pressure should be 6 PSI at idle and 35-75 psi at 3,000 rpm with engine at normal operating temperature.

3.3L = Oil pressure should be 5 psi at idle and 30-80 psi at 3,000 rpm with engine at normal operating temperature.

You see that there is a large "in spec" region for the 3,000 rpm range as listed. I would look for the pressure to be at the higher end of the scale and the idle pressure to be right in spec. If any of these pressures are low I would suggest changing the oil pump.

If your motor is one that I have not listed here please comment back and I will provide the appropriate spec per the motor in your van.

Feb 09, 2010 | 1997 Dodge Caravan

1 Answer

Low oil pressure at idle


how low does the oil pressure drop?? is it below 40?

Mar 05, 2009 | 1990 Ford F150

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2003 honda civic dx oil pressure light comes on and off


have u noticed any blue smoke on start up or while driving if so possibly piston rings

Feb 24, 2009 | 2003 Honda Civic

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Oil light comes on and "bings" when the tack shows 1000 rpm.


I have no idea how many miles are on the van but 1st lets talk about the oil lite, it is telling u that the engine has less than 10 PSI of oil pressure, this may be the pressure sending unit on the engine is defective, if it does have low oil pressure then severe damage to the engine bearings can result, the click is most likely the contacts in the starter solenoid are burnt, they act up more cold and give the click you hear. I have no idea about the steering issue, without hearing it is almost imposs to diagnose such concerns. In closing I highly recommned that you address the low oil pressure concern ASAP

Nov 30, 2008 | 2004 Chrysler PT Cruiser

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