i just redid intake manifold gaskets now car turns slow and backfires wont start

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whats wrong

Jun 7, 2015

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1998 Pontiac Grand Prix. 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

i just redid intake manifold gaskets now car turns slow and backfires wont start

What is your question?

whats wrong

kardo41 in Annapolis MO

Jun 7, 2015

1 Reply

Popular Answer

pushrodon Jun 7, 2015

You have the plug wires crossed up... Google > firing order 98 Grand Prix 3.8.. Click on images to view correct placement of plug wires on the coils!!. Check very close, it only takes a couple to 'F oul' it up!

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1998 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.