Question about 1994 Volkswagen Jetta
there are a few likely reasons for this warning.
1. faulty oil pressure switch.
2. blocked oil channels in the engine.
3. oil too thin, resulting in low oil pressure. especially if not changed recently.
4. blocked oil filter. especially if the ol has not been changed recently.
the warning is there for a reason. the reason for it should be found and remedied or you risk major engine damage.
number 4 and number 1 are the most likely, but if you change the oil, flushing the engine with a proprietery engine oil flushing additive, and change the filter and switch at the same time, you can rule out all of the main causes at the same time. the switch and filter are cheap parts normally costing a few dollars each.
the VW engines are fantastic engines and will pretty much last forever if looked after.
it is worth spending the extra few dollars to do all the work at once and you know it has all been done and will last for a good number of years.
any good mechanic can do this work. or you could do it yourself with an owners workshop manual, readily available from somewhere like ebay for under $10.
if you would like more advice please feel free to ask.
Posted on Apr 03, 2011
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Posted on Jan 02, 2017
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