CYLINDER 4 MISFIRE

  • Tiny
  • benj832
  • Buick Park Avenue

Can someone please help me out. I have a 1997 Buick Park Avenue. 3.8 L V6 with the Supercharger. I am trying to get this vehicle to past inspection. The check engine light is on so I had the code read. It's saying that there is a Cylinder 4 misfire detected. I have replaced the wires and plugs. I am almost certain that it is a bad injector but I don't know which one. How can I tell?

Thursday, June 7th, 2007 AT 7:26 PM

1 Answer

  • Tiny
  • Service Writer
  • Expert
  • 9,254 posts

Swap the #4 injector with another cylinder and see if the misfire changes position.

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Thursday, June 7th, 2007 AT 7:53 PM

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