2003 Pontiac Bonneville Misfire On Cycl 2 Really Poor Gas Mileage

2003 PONTIAC BONNEVILLE
180,000 MILES
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ANONYMOUS
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  • 1 POST
it has a misfire on cycl #2 and really poor gas mileage
Jan 26, 2013 at 9:02 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Check for faulty spark plug, or lead, check compression on that cylinder, start here.
Jan 26, 2013 at 4:41 PM
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