1996 Pontiac Grand Am Coil/s and housing replace question

Tiny
BUZNJES
  • MEMBER
  • 1996 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Diagnosis at repair shop shows cylinders 3 and 4 misfiring. Repair shop saying I need to replace "the coil" and the housing. After some research online, I understand there are 2 coils.

Will replacing only 1 coil (along with the housing)reslove the misfire in cylinders 3 and 4? Or must I replace both coils? Cash is extremely tight right now.
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Wednesday, February 11th, 2009 AT 2:06 PM

3 Replies

Tiny
JACK42
  • EXPERT
It will cost more labor again if the other coil goes out, knowing that just tell them what you told me. They can replace the one coil, but it is like buying 2 and paying for one as far as installation goes.I totally understand, just tell them to replace only the absolute necessary parts
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Wednesday, February 11th, 2009 AT 8:13 PM
Tiny
BUZNJES
  • MEMBER
Thanks for the reply, and sorry for not being clearer in my initial question. So the same coil controls cylinders 3 and 4?
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Wednesday, February 11th, 2009 AT 9:44 PM
Tiny
JACK42
  • EXPERT
No, I believe 1 and 4 share a coil and 2 and 3 share another. CHeck fror compression in those cylinders, if the head gasket is blown between the cylinders you wil get misfire codes for both of them
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Wednesday, February 11th, 2009 AT 10:23 PM

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