ENGINE BACKFIRES ,I HAVE CHANGED THE SPARK PLUGS,BUT IT DOESNT WORK!

2003 ISUZU
205,000 MILES
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NEWMAN DAVID
  • MEMBER
  • 1 POST
MY ISUZU KB220 LE,en gine backfires even after changing spark plugs and cables
Nov 17, 2011 at 1:52 PM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
check thecompression and fuel pressure. we have no info on this model so can' t give you a spec. Check firing order of the engine as well. Also check for cracked coil, etc.
Nov 17, 2011 at 2:41 PM
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