Question about 2001 Cadillac Catera

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I have low oil pressure at idle speed. - 2001 Cadillac Catera

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  • honeymokey
    honeymokey May 11, 2010

    How low is it? Change oil and put an AC Delco filter on it along with the correct weight oil in it.

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  • Master
  • 3,113 Answers

What is the pressure reading? Always use an AC Delco filter and the correct weight of oil.

Posted on Jun 28, 2009

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2 Answers

How can I cheat the Idle up? I'm getting a low oil pressure light at Idle, 800 RPM. I would like to increase the Idle to 1000 to keep from getting the light.


that wont work trying to adjust idle can be done on older cars with a carburetor or the older throttle bodies new vehicles trying to do it will set off check engine lights on most sensors sound more like oil worn out---oil filter or pump problem change oil and filter and do a flush ---and put in an additive such as lukas - royal purple etc---also why did head need replacing was oil pump tested

Aug 02, 2016 | 2006 Suzuki Forenza

1 Answer

My oil light comes on after higher speeds while idling at a traffic light.


It may be your oil pressure transmitter switch at fault. There's many different oil pressure transmitter switches. Here are some generic images:
oil pressure transmitter switch Google Search
It could also be that your vehicle is due an oil/filter change.
Is your oil level ok?

It's unlikely to be your oil pump at fault.
  1. Check your oil level
  2. Is the vehicle due an oil/filter change?
The oil pressure transmitter switch simply tells the engine 'low oil pressure'. This usually happens at idling speed due to a faulty transmitter switch, low oil level or there's a need for an oil change as the old oil is no longer up to the job. Oil pressure switches are easily changed.

The important thing is that you aren't getting a warning light when driving at speed. If your oil level is okay and it isn't due an oil/filter change - it probably is the oil pressure switch at fault.

For your own peace of mind try adding an oil additive.


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Nov 03, 2015 | Cars & Trucks

1 Answer

Oil light comes on when the car is idleing or when I let off of the gas it blinks what could be the problem?


Low oil pressure maybe? Oil pressure will vary depending on engine speed-higher speed=more psi, lower speed=less psi. If there is a mechanical reason for low oil psi then idle is when it will be low enough to turn on or flicker the light. Also, you could very possabily have a slugged up oil pick-up screen.

Aug 17, 2014 | 2005 Nissan Sentra

1 Answer

I have 2002 gmc envoy, oil pressure low, stop engine warning only comes on when i stop on a hill?


The pressure regulator in the oil pump may not be working, the idle speed may be too low and there may be a lot of wear on internal engine parts lowering oil pressure

May 30, 2014 | 2002 GMC Envoy

3 Answers

Adjust idle


previously answered

Aug 03, 2012 | 2005 Suzuki Forenza

2 Answers

Oil gauge drops low at idle


Low oil pressure at idle can be caused by an engine with worn rod or main bearings due to (usually) high mileage . This however does not mean the engine is still not serviceable as long as the oil pressure is low only at idle. The pressure should at minimum get into the normal range at anything above idle speed.Not much oil pressure is really necessary at LOW speed. At low speed, as long as there is oil getting to the bearings, even at low pressure, you are OK. In a high mileage engine the oil pressure is often low at idle simply because the oil pump is turning slowly and cannot maintain higher pressure between the larger than normal crankshaft and bearing clearances. As speed increases the pump turns faster and supplies more oil and the pressure should go higher. Low pressure as long as it is only at idle is not a problem. However at higher speeds the pressure should be in the normal range. Such a worn engine can benefit from higher viscosity (thicker) oil such as 20W-50 in above freezing weather and 10W-40 in winter. That will increase idle pressure and the thicker oil film maintains a better film between the worn parts

Apr 08, 2012 | 2002 Jeep Grand Cherokee

1 Answer

1995 Ford Econoline 150 with 302 engine. Oil pressure indicator starting dropping when idle speed went down, Had a new oil pump and sending unit replaced, still does the same thing. Has 190K on it, now as...


When you had the pump replaced did anyone look at the rod and main bearings? 99% of all low oil pressure problems I've seen has been directly related to bearing wear, not a bad oil pump.
Replacing the pump will give you slightly better pressure temporarily but that won't last very long.
Verify the actual oil pressure using an external mechanical gauge. If it's low (likely it is) go back into the oil pan and use plasti-gage on the bearings to measure clearances.
In reality though, in an engine with that many miles, it's best to either completely rebuild or replace it though.

Sep 10, 2011 | 1995 Ford Econoline

1 Answer

Oil light flickering on and off. engine at idle wants to turn off


If your engine is idling too slow, the oil pressure would be abnormally low....I suggest that you test your oil pressure, and set your idle speed to specification.

Mar 11, 2010 | 1996 Honda Accord

2 Answers

Oil light comes on at very low rpm


It IS NOT Advisable to Drive this Vehicle Untill This Problem is AT LEIST DIAGNOSED, You Need A MANUAL OIL Pressure TEST, to Determine If OIL PRUSSURE is SAFE @ >>Oil Pressure at idle speed with engine at operating temp.min. bar 0.5 Regulated Pressure bar 4.3
If it Is ok First On List Is Oil Pressure Sensor But if it's Low> Replace
Oil PUMP
Obviously Inspect Wires To Sensor / Sensors Before High Dollar Parts Are Resorted to.

Aug 04, 2009 | 1999 BMW 318 ti

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