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

Tiny
NEWMAN DAVID
  • 2003 ISUZU
  • 205,000 MILES

MY ISUZU KB220 LE, en gine backfires even after changing spark plugs and cables

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Thursday, November 17th, 2011 AT 1:52 PM

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Tiny
HMAC300
  • EXPERT
  • 45,736 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.

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Thursday, November 17th, 2011 AT 2:41 PM

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