2001 volkswagen eurovan 2.5L (5 cyl.)Start and die

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Some time is running a little longer then 2 minutes but is running bad. have 150,000 miles OBD- code p0011 is about the Timing Valve control solenoid I woul like to know the location in the pas I change one from a 2004-trailblazer 4.2 that was very easy there is another code about the transmission p0740 I don't care about this code I need to fix the engine firs, to keep it running longer I have to raise it to 1500 to 2000 rpt and then idle with a mish. any way hope find help also where to buy the part. Thank you, Ray or dinoray