Re: Oil pressure light comes on then goes off in 2003 VW...
The top of my engine was completly replaced and 4 697$ later (3000km) my car still missfires, white smoke comes out of the engine (with a awefull smell) , my oil is dark eventhough it has been changed 3 weeks ago and a code is on P2279 - Intake Air System Leak. The problem is intermittent.
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You have a broken oil pump. The light indicates loss of oil pressure. You have plenty of oil, but no oil pressure. Continued driving will shorten the life of engine dramtically or can wreck the engine completely in a short time. You need to take it to a mechanic asap, unless you plan on tackling it yourself. in which case you should re-post for help with that, or search Google for instructions.
CHECK ENGINE OIL LEVEL SOUND LIKE LOW OIL LEVEL.CHANGE OIL IF IT HAS BEEN OVER 3000 MILES OR OIL LOOKS DIRTY CHANGE IT.IF OIL CHANGE DONT HELP HAVE OIL PRESSURE CHECK TO SEE IF OIL PUMP GOING BAD OR YOU HAVE A FAULTY OIL PRESSURE GAUGE.
8.5 hrs + parts sounds about right. But why would a 7 year old cars oil pump fail? They usually last a lifetime. Has there been a lubrication problem? Low oil, cheap oil, wrong oil? But then again my daughters 04 Toyota needed a valve job, head gasket and water pump recently. I'm doing 90% of work and it still cost about $2000. Her problem was bad oil!
Get the oil pressure tested....
If you hear rattling, it's probably low oil pressure, but it could be the pump, or if your bearings in the engine are worn badly, that will cause it also. (From antifreeze mixing with oil)
I would check the oil pressure sensor and the oil pump itself. You can take the sensor out and use a mechanical gauge to check the oil pressure. If the oil pressure is within specs, you need a new sensor, if not, you need a new pump.
the noise is the chain tensioner in the cylinder head between the two camshafts. it is a job for a proffesional shop. the 1.8t passats had an oiling problem and were fixed with a larger oil filter. some times you have to remove the oilpan and replace the oil pickup tube.
I have a 2003 Passat GLX V6 and i havent been experiencing this issue, however from my experience with VW, the early 2000 models of the passat that have a 1.8T 4 cylinder engine have a major issue with what has been deemed "oil sludge" you have to be careful with this engine oil wise and make sure to get the oil changed every 3,500 - 4,500 miles and make sure you get the full synthetic oils for it and the proper filters :-) the turbo that is on this model heats up the oil to extreme temperatures and if not serviced regularly you will have problems.... i hope this helps! i would have someone check it again for this issue... hopefully you get to it before it becomes costly!