Here are Dodge Intrepid engine problems, by model year. The most common Intrepid engine problems cost $4,300 to fix & occur at 90,000 miles. Regarding the worst model year 1999 Dodge Intrepid engine problems, "The Dodge Intrepid, Stratus & other Chrysler sedans are infamous for oil sludge problems with the 2.7L V6 engine. If someone offers to sell you a 2.7L V6 model, it's only worth the price of the scrap metal it's going to shortly turn into." Click on a year below.