misfiring

1999 MAZDA FAMILIA
96,000 MILES • 1.5L • 4 CYL • 2WD • MANUAL
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BRIAN DINDI
  • MEMBER
  • 1 POST
My vehicle is misfiring and backfiring, having jerks suddenly.
Jul 14, 2017 at 11:29 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Start with a full tune up, and do a compression test as well. Also, check for vacuum leaks, and run a scan for any fault codes. sounds like a tune problem so this should help locate the issue.
Jul 15, 2017 at 2:22 AM
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