running rough

2008 PONTIAC GRAND PRIX
130,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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DEBBIE CLYBURNE WILLIAMS
  • MEMBER
  • 1 POST
very hard to start and when it starts it revs high and low, but will not idle.
May 16, 2017 at 12:03 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
try cleaning throttle plate on both sides and IAC hole with choke cleaner then check for vacuum leaks like hoses broken etc. if check engine light on then have it scanned for codes and get back to us auto parts does for free.
May 16, 2017 at 12:14 PM
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