2000 4.3 vortec bazer changed plugs wires cap roter spider runs rough if i pull plug wire it runs better

Asked by Oct 27, 2013 at 10:30 PM about the 2000 Chevrolet Blazer 4 Door LS

Question type: Maintenance & Repair

Random misfire

3 Answers

107,335

http://autorepair.about.com/library/firing_orders/bl-fo-2955.htm -- plug wires on correctly? All vacuum hoses hooked back up?

45

Plug wires not correct? Confirm both engine side and rotor side. 2 don't sound right.

12,415

Did you pull the distributor? Sometimes it can be put in 180 degrees out or backward. Make sure it is correct. Sounds like a wiring mix up somewhere. follow the diagram to the plugs themselves to make sure. Could always be a bad wire or bad cap on the distributor. It is electrical in nature for sure.

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