2003 Chevy Impala diagram of Chev Impala 2003

Tiny
CHRISLER
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
I need replace spark and spark plug wires but, I need a spark plug diagram to continue! Thank you for help-me!
Friday, May 9th, 2008 AT 8:26 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
The coils have the numbers on them but the firing order is 146325 and the original wires have the numbers on them but you might have had them replaced so they might not. The 1 cylinder is the cyl closest to the front of the engine and the sides go 135 on that side and 246 on the other side. Usually the plugs to the front of the vehcile are 246.
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Friday, May 9th, 2008 AT 8:40 PM

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