intake backfire

1997 JEEP GRAND CHEROKEE
220,000 MILES • 5.2L • V8 • 4WD • AUTOMATIC
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CHRISANDKYNDRA KEEFE
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  • 1 POST
turn it over it backfires every time even on compression stroke cylinder number one will not start. firing order is correct. It ran before I changed the intake what is wrong with my engine?
Feb 23, 2017 at 10:38 AM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
If you did not pull the distributor the fuel timing should be okay. If the plug firing order is correct I would double check the injector harness. I would also check the distributor cap for any flaws. Have seen brand new ones with cracks in the.
Feb 23, 2017 at 4:04 PM
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