No Spark on 1 and 4. Changed Coil, still no spark. What could cause this?

Asked by Oct 26, 2013 at 11:34 AM about the 2005 Buick LeSabre Limited Sedan FWD

Question type: Maintenance & Repair

2005 Buick LeSabre, runs rough, check engine light on.  No spark for 1 and 4.  
Changed coil, still no spark.

1 Answer

122,535

If one of the plugs is fouled out it can cause neither to fire if they both come off same coil.

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