2001 ford ranger with 4.0 V6 stumbles or misfires on acceleration[ intermitantly. Have 62k on the clock.

2001 FORD EDGE
62,000 MILES
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ZZMAN
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  • 1 POST
It stumbles or surges intermitanly on acceleration. Have a rotten egg smell from exaust. Is the cat cooked? also what could've cooked it at this low miles . It is leaking oil from passenger side valve cover. It drips onto the pre cat and burns off. never anything on the ground.No CEL.
Nov 16, 2011 at 7:24 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the exhaust system for restriction

and then go to this link:http://www.2carpros.com/articles/engine-surges
Nov 16, 2011 at 7:46 AM
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