What could cause two spark plugs to fire red

Tiny
TONY04
  • MEMBER
  • 1993 BUICK REGAL
What could cause two spark plugs to fire red
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Thursday, April 4th, 2013 AT 6:04 PM

7 Replies

Tiny
DOCFIXIT
  • EXPERT
Weak coil
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Thursday, April 4th, 2013 AT 6:09 PM
Tiny
TONY04
  • MEMBER
I already changed that an I put coil an plugs an computer an th chip an new cam sensor an a crank sensor so what else could cause that
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Thursday, April 4th, 2013 AT 6:12 PM
Tiny
DOCFIXIT
  • EXPERT
Nice to have ALL info when trying to answer? Need to know what engine
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Thursday, April 4th, 2013 AT 6:17 PM
Tiny
TONY04
  • MEMBER
3.8L v6
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Thursday, April 4th, 2013 AT 6:20 PM
Tiny
DOCFIXIT
  • EXPERT
Ohm check the coil wires should not exceed 5K ohms per inch of wire. Also what two cylinders are effected?
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Thursday, April 4th, 2013 AT 7:04 PM
Tiny
TONY04
  • MEMBER
1 an 4 an from the bottom of the coil the second wire is the one that's firing red and the second coil the first wire is also the one firing red
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Thursday, April 4th, 2013 AT 7:34 PM
Tiny
DOCFIXIT
  • EXPERT
So what happened?
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Tuesday, June 4th, 2013 AT 8:50 AM

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