I have blue smoke and stalling in my passat. What could be the problem?

1999 VOLKSWAGEN PASSAT
175,000 MILES
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ZUIBELI
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The car was recently throwing a MAF Sensor and misfire code. The MAF sensor was replaced, plugs were replaced with Bosch Platinum 4+ and plug wires were replaced with $168 Bosch plugs. The car ran like a dream for about a day, threw a code about fuel pressure being high. This morning when we started teh car it blew out blue smoke, idled rough and stalled at a stop sign a block away. turned the car around and drove home. onel block later it seemed to settle and run fine. Turned it off and when turned back on the rough idle was there again. any ideas?
Nov 11, 2011 at 6:35 PM
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RASMATAZ
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Sounds like valve seals problem -goes away after engine comes up to normal operating temperature
Nov 11, 2011 at 6:53 PM