Cant find what causing my 2000 yukon to have random misfires

What is your question?

Changed plugs wires and replaced bad coil packs still have random misfires.Slow accerlation and lower power

What makes this problem better or worse?

When trying to pick up speed

How long has your 2000 GMC Yukon had this problem?

Almost 2 months

Visitor

in Sumter SC

Oct 22, 2021

Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC Yukon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Cant find what causing my 2000 yukon to have random misfires

What is your question?

Changed plugs wires and replaced bad coil packs still have random misfires.Slow accerlation and lower power

What makes this problem better or worse?

When trying to pick up speed

How long has your 2000 GMC Yukon had this problem?

Almost 2 months

Visitor

in Sumter SC

Oct 22, 2021

1 Reply

Popular Answer

DaveJMon Oct 22, 2021

Hello, my first question - what quality parts have you used? Original GM parts? If not, try original GM parts first and recheck operation. Also, if the problem persists, consider performing a compression and leak down test of the engine - you may find some concerns there. Use this link to find a shop near you that can help: www.repairpal.com/repair-shops

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC Yukon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.