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Running problem

Tiny
WM WATERS
  • MEMBER
  • 2003 FORD TAURUS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 55,000 MILES
03 ford taurus 3.0 2valve. Missfireing under load only when warmed up; recent full service 55,000 mi/no eng code
Saturday, December 11th, 2010 AT 6:08 PM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Did it do it before the full service? What IS full service?
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Sunday, December 19th, 2010 AT 12:55 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Often this is a faulty ignition lead, with the engine under load the spark must bridge the electrode under an enormous pressure, if the lead is faulty and voltage can leak out it will under such conditions, voltage will always seek the path of less resistance, I would start with replacing the leads.

Mark (mhpautos)
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Sunday, December 26th, 2010 AT 11:31 PM
Tiny
FIXITMR
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By leads do you mean spark plug wires?
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Monday, December 27th, 2010 AT 7:08 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Yes, high tension leads, that is what they are called here in Aust.

Mark (mhpautos)
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Monday, December 27th, 2010 AT 10:52 PM

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