Question about 1996 Isuzu Rodeo

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Does a oil pump go out on the engine , the gauge keeps reading 0 until rpm advance

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The problem would be your oil pressure sending unit.

Posted on Jul 18, 2009

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2010 ford f150 oil pressure never changes regardless of engine rpm


electric senders read the full range, you might have a faulty sender or it could be a new design on the pump and oil galleys that provides a consistent oil pressure. or the gauge itself could be stuck..

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2002 jeep liberty v6 3.7 l , oil light keeps coming on at idle at stop light. had engine flush and oil change and sender pressure unit changed out, but it keeps coming on. could it be a connector into...


Have a reputable garage check the oil pressure with a manual oil pressure gauge. Very well may have worn internal parts, or weak oil pump. Thats the only way to know for sure.

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2000 Grand Cherokee V8: Cold start Oil Pressure is good at 600 rpm. Gauge drops to 0 in 2/10 mile as rpm increases to 2000. Warning light and bell comes on. Gauge varies between 0 and 40 depending on...


Replace the oil pressure sending unit its giveing a false reading . The problem is when the engine is cold the oil pressure is low and it takes a little time to build up whem cranking the engine and that sends a signal to the computer PCM /VCM what ever but your 40 to 60 lbs oil pressure is graet its ideal .The unit switches when the oil pressure is high enough to trip the switch inside the sending unit and that is sent to the vehicle control module

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1 Answer

Oil pump is going bad in my 1999 chevy lumina


First we would need to know when this occurs. Asuming the oil level is at the full mark!. If the pressure goes up during acceleration and down at idle when engine is fully warmed up, then this is normal. An engine requires 10 psi of oil pressure per 1,000 rpm ( ex. 20 psi at 2,000 rpm, 25 psi at 2,500 rpm, and so on ) . If the gauge is moving back and forth erratically at idle , i would say the gauge is bad. If it drops to 0 while accelerating I would say your oil pump is bad. If from time to time it seems to work and other times it seems not to work, I would say the oil pressure sending unit for the gauge is bad. If the pump failed you would start to here a Knocking noise from the engine in a short period of time. Use the above scenario's to narrow down what it may be.

Jul 02, 2010 | 1999 Chevrolet Lumina

1 Answer

The oil pressure gauge goes from 0 to all the way up and the needle moves back and forth while driving it checked oil its good now its clicking underneath the car and it felt like the transmission was...


First we would need to know when this occurs. Asuming the oil level is at the full mark!. If the pressure goes up during acceleration and down at idle when engine is fully warmed up, then this is normal. An engine requires 10 psi of oil pressure per 1,000 rpm ( ex. 20 psi at 2,000 rpm, 25 psi at 2,500 rpm, and so on ) . If the gauge is moving back and forth erratically at idle , i would say the gauge is bad. If it drops to 0 while accelerating I would say your oil pump is bad. If from time to time it seems to work and other times it seems not to work, I would say the oil pressure sending unit for the gauge is bad. If the pump failed you would start to here a Knocking noise from the engine in a short period of time. Use the above scenario's to narrow down what it may be.

Mar 27, 2010 | 2005 Nissan Altima

1 Answer

Oil preassure indicator blinking on minimun RPM engine, reading is almot 0, if press throtle will stop blinking


Get a pressure gauge and see what type of pressure this this vehicle is giving you at idle and at about 2000 RPM's. Your gonna have to remove the oil pressure sending unit/switch to screw in the pressure gauge. If its giving you the prescribed pressure while testing, worse case scenario is over. ( oil pump, engine wear) If your not getting the prescribed pressure with the testing gauge, its either the oil pump or engine wear or both. Have a Certified ASE Technician look over the vehicle if this is the out come. There is additional testing to be done which requires additional tooling expertise in this area.

Now if the pressure was within spec's with the test on gauge, its either the switch, the wiring to and from the gauge or the gauge itself. Get the Shop Repair manual for this vehicle for Oil pressure specifications as well as additional testing of switch , circuitry and gauge. This is fun stuff . Wear gloves and eye protection while removing the switch and screwing in the testing gauge and vise versa after testing is completed. Good luck

Mar 26, 2010 | 1992 Chevrolet S-10 Blazer

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Most likely the oil pressure sensor is bad. Its located in the very rear of engine on top of bell housing area.

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My stop light keeps coming up with the problem oil pressure,i have a golf gti turbo


Get the oil pressure tested with an outside gauge. If you run short of oil pressure, turbo and engine will suffer, as you know....

If you are actually short on pressure, you would need to investigate further, usually no good answers there....

But commonly a transducer fails and gives wrong readings, hope for this result

Sep 11, 2009 | 2001 Volkswagen Golf

1 Answer

I HAVE SAME PROBLEM


Make sure you are using a genuine Ford oil filter. The Ford filter has pressure valves in it to keep the oil where it belongs. Make sure you are using the proper weight of oil.

If the oil and filter are proper, it sounds like the oil pump pickup is clogged or there is excessive play in the crank bearings. The engine is running dry on oil because it is not pumping up until the oil is circulating completely through the engine.

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