Hi, Have The Computer Checked For Codes First. Write Them Down, So We can Help You. Also Have a Compression test done. Too See If Engine Has Good compression. If compression is good, and there are no codes, i'd look for vacumn leaks and check the injectors, and fuel pressure.
Hope This Helps You,
Good Luck
Edward S.
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Saturday, August 7th, 2010 AT 5:06 AM