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2004 Volkswagen Passat Why do the Oil pressure light come on and car slows down?
Why do the Oil pressure light come on and car slows down?
What is your question?
Oil pressure light comes on and car slows down but speed picks back up. Smokes sometimes. Have replaced spark plugs and coils, gas treatment, new air filter and oil change.
Usually the result of internally worn engine components allowing oil pressure loss due to too much clearance..
You can have the actual oil pressure TESTED y qualified personnel but it is likely going to be reading low at idle.
Good luck!
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