hard starting

1999 GEO PRIZM
200,000 MILES • 4 CYL • FWD • AUTOMATIC
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MRIVERA15
  • MEMBER
  • 1 POST
hard to start and when it does it accelerates dramatically on its own
Jan 14, 2011 at 5:59 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
If the check engine light is on, have the computer scanned for trouble codes. Also, check for vacuum leaks and the idle air control valve. I also recommend checking fuel pump pressure.
Apr 7, 2011 at 6:53 AM
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