Was told oil pump is in engine and I need to replace engine. Runs good for 30 miles or so then engine starts sputtering. No oil leaks but light and buzzer comes on and stays on. Already replaced sensor.
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Re: gauges say no pressure in engine 1995 vw golf
There are two pressure switches. One for oil pressure and one for a dirty oil filter. Are you sure you've changed the right switch. If car drives for 30 mls it doesn't sound like you need an engine. The spluttering is likely to be completely unrelated to the oil warning I suspect.
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Kelea, if you do not hear a lot of engine rattling noises then I would say your "Oil Pump" is OK and you need to replace the "OIL SENDING UNIT" which you can buy at Autozone. CAUTION: If you do hear a lot of rattling noises coming from your engine then I'd suggest having someone check the oil pressure. If the oil pressure is low then it could be all kinds of things that can cause low pressures. From engine bearings, to restrictions, to the oil pump itself. I would start with the oil sending unit first and see what your oil pressure looks like. If your oil pressure is good after replacing the sending unit then I'd consider never taking my vehicle back to the shop that told you it was the pump. Hope this helps and have awesome day.
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.
Low oil pressure can be from a restriction in the filter, a weak oil pump or excess clearnance between the crankshaft, camshaft, main and rod bearings. Low oil pressure when the engine has adequate oil means the engine is in need of at least a pump. It may even need an overhaul. My question would be does it run OK not leak or smoke and have good fuel economy. The best case if everything is running fine is that the sending unit is defective.
The sensors are usually found on the oil filter flange housing with the oil cooler. Also there are two dynamic sensors to measure pressure below 2000 rpm and above 2000 rpm so it could warn you of pressure loss within those two ranges.
Incorrect level. Check level at operating temps and while the engine is running. By sump and stainer you meant that you removed the oil pan off the car and cleaned the pickup tube of the oil pump? I'd suggest hooking up an oil pressure gauge so you'll know which part of the engine is starving oil and setting the warning.
While engine is running, open the cover where you add oil to engine and see if you see a good flow of oil, if good flow, could be as easy as replacing oil sending sensor. got to realize that if poor maintenance history your engine may not be building enough pressure at iddle to move your hydraulic operated valves, only when you rev it up it will pump enough to run smooth. if running engine too long, you may cause more damage to other engine components such as crankshaft and cam shaft bearings. if you can spare a few bucks, have a good mechanic check your oil pressure with a mechanical gauge. another cheap option is to replace oil pump. last resort if you love your truck as much as we do,replace engine or rebuild it. At 205,000 this is a normal symptom, other than timing chain problems, most engines don't make it that far. hope this helps!
The oil pump is relatively easy to change with the engine in situ if it is (commonly) at fault,
Get an oil pressure gauge with a pipe and brass fitting ready on, (borrow or buy cheap from boy racer shop), unscrew the sensor (or ask the garage to for a £5) and plug it directly into the sensor hole after you've been for a run.. When warm, mine sits about 40 at motorway speeds, ten at tickover.
Get someone to check oil pressure with a mechanical gauge, to verify whether you have oil pressure or not. These engine/vehicles, have 2 warning sensors & a control module in the instrument panel. Once you know you have pressure for sure, then you can proceed from there.