2004 Nissan Primera

Engine Performance problem
2004 Nissan Primera V8 Four Wheel Drive Manual 51000 miles

The oil disappears from my car every 6-12 weeks-there is no leak. Im told it could be the pistons and the engine may need replaced-so what kind of price am I looking at and is it worth it. I bought the car in Dec 09 and have already replaced the catalytic converter. However its a lovely car and Im loathed to let it go
Ann Donnan
October 4, 2010.

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