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I gave my truck a tune-up and now when I start.

Tiny
DEB KING
  • MEMBER
  • 1993 FORD F-150
  • 250,000 MILES
I gave my truck a tune-up and now when I start it its missing and when I give it gas it is backfiring through the autobody what would cause this
Thursday, February 21st, 2013 AT 3:58 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Are you sure the plug wires are replaced properly? Double check that.
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Thursday, February 21st, 2013 AT 4:07 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you have this problem before the tune-up? Do you think you might have got a spark plug wire in the wrong place?
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Thursday, February 21st, 2013 AT 4:17 PM

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