Check engine codes PO420 and PO741.

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The car is actually a Pontiac Vibe. I don't know the history of the car. I am looking to buy it from a friend who's daughter drove it to college. I drove it about 110 mikes yesterday. I put the scanner on it and got back PO 420 Catalyst efficiency below threshold and PO 741 Torque converter CKT Performance or Stuck Off. Car has 180,008 miles on it. Where should I start looking? I have felt a shudder once while slowing down from 70 mph. any help appreciated.

Indianolamike in Victoria TX

Sep 24, 2016

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What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Toyota Matrix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Check engine codes PO420 and PO741.

What is your question?

Indianolamike in Victoria TX

Sep 24, 2016

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pushrodon Sep 24, 2016

engine-codes.com Suggest reading entire page for each code entered.

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Toyota Matrix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.