Popping or backfire when starting at times

1995 PONTIAC GRAND AM
95,000 MILES • 4 CYL • 2WD • AUTOMATIC
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MDTESTER
  • MEMBER
  • 11 POSTS
95 pontiac grand am just had coil housing an plugs changed 2 months ago car started missing again checked plugs an 1 was cracked so I replaced all 4. Now the car wants to start hard at times and it makes a pop noise or backfire. Runs good after it starts.
Dec 30, 2010 at 3:40 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Make sure all ignition wires are tight. Also, make sure none are arcing causing a loss of power. If the check engine light is on, have the computer scanned. Most parts stores will do it for free.
Jan 10, 2011 at 5:41 PM
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