problems after tune up

2002 PONTIAC GRAND PRIX
90,000 MILES • 6 CYL • FWD • AUTOMATIC
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MAXSWHEELER
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  • 2 POSTS
new plugs, wires and coil packs on 2002 pontiac grand prix 3.8 v6. now runs worse and looses power up hill. correct firing order, all plugs properly gaped and wires secure.
Apr 26, 2011 at 11:41 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
It's not a coincidence that it runs bad now. Something went wrong during the tune up. It could be a cracked plug, damaged wire, cracked coil or bad firing order, etc.
Apr 26, 2011 at 12:13 PM
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MAXSWHEELER
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  • 2 POSTS
Yup, I cracked a plug during installation. Thanks so much for the answer. This site kicks ass!
Apr 27, 2011 at 1:35 PM
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WRENCHTECH
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We love a happy ending. Come back when you need us again and donations to the site are always welcome.
Apr 27, 2011 at 1:47 PM
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RED CHEVY GUY
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  • 3 POSTS
I have the same car but when i turn the ac on the car shuts off, just had a new ignition switch installed, any ideas this is even confusing the guys at the repair shop.
May 10, 2011 at 1:59 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
You need to start a new question of your own please.
May 10, 2011 at 2:21 PM
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