why does my car start but runs slowly,as though if it was loosing compression?

1998 TOYOTA PASEO
20,000 MILES
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WHITE
  • MEMBER
  • 1 POST
starts,but runs very slow,like it is running on only two sparkpluggs
Jan 31, 2012 at 1:54 AM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
If the RPMs are low, check the idle air control valve. Also, check for vacuum leaks. Also, if the check engine light is on, have the computer scanned to see if there are any trouble codes.
Jan 31, 2012 at 1:57 AM
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