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Ford Ranger 2003

Tiny
JOHNMFERRARA
  • MEMBER
  • 2003 FORD RANGER
  • 5 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
Why would my Ford 2003 Rnager be misfiring and bucking on the highway at speeds above 45MPH right after I had my alternator, starter and battery changed. Starts and runs great otherwise.
Thanks,

John F.
Friday, January 28th, 2011 AT 1:32 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Check to make sure they didn't reroute any of the plug wires causing one to arc under a heavy load. Also, check to make sure none of the injector plugs were left loose. Finally, check for vacuum leaks. Make sure none of the hoses were disconnected.
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Friday, March 4th, 2011 AT 6:06 PM

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