Q: Oil problem? on 1998 Dodge Intrepid

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I just bought a used dodge intrepid, the oil light comes on and when I start the car there's a weird noise and the car shakes. What's wrong and how much to fix it?
(1) Answer
try oil stabilizer to recondition seals and cylinders on next oil change.
car shake may be due to air/fuel mix. pull fuel filter and examine for signs of water. have diagnostic run for fuel system and exhaust system. fuel system may need to be cleaned. you can do this by using an ethanol treatment in fuel system on next fill up.