My car is showing incomplete drive cycle and won't pass emissions sh

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Showing incomplete drive cycle for evap, catalyst and o2. How do I diagnose and repair?

Jul 11, 2015

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RepairPal Certified shops can diagnose and repair your 2002 Chevrolet Blazer. 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

My car is showing incomplete drive cycle and won't pass emissions sh

What is your question?

Showing incomplete drive cycle for evap, catalyst and o2. How do I diagnose and repair?

afestaking18 in Gainesville GA

Jul 11, 2015

1 Reply

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stevieray1on Jul 11, 2015

battery must have been unhooked recently?cel on?if so what is/are the code/codes?

afestaking18on Jul 11, 2015

The system was reset, yes. What is cel on? There are no codes at all. Very weird.

stevieray1on Jul 11, 2015

no it's not weird.any time you unhook the battery,the computer resets everything.it will show monitors not ready until drive cycle is completed to set all monitors,READY.50-200 miles,couple of days of normal driving.cel,is CHECK ENGINE LIGHT?why was the battery unhooked,and when?

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Chevrolet Blazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.