code(P0301)#1plug miss fire,still miss fire's after tuneup.

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Off/and on for about a month check engine light came on,and off,now it stay's on,even after tuneup,and reset computer.Need help!

chevrolet uplander in Wichita KS

Feb 1, 2011

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What is your question?

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code(P0301)#1plug miss fire,still miss fire's after tuneup.

What is your question?

Off/and on for about a month check engine light came on,and off,now it stay's on,even after tuneup,and reset computer.Need help!

chevrolet uplander in Wichita KS

Feb 1, 2011

1 Reply

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danddon Feb 1, 2011

What i do to check a misfire, is I ->#1check compression in that cylinder then #2 verify that the wires and plugs are good and not defective. Did the van run fine before you did the tune-up? Because if it did, you may have a defective part, or something came loose. Were the wires replaced as well, because that is important?

chevrolet uplanderon Feb 1, 2011

code P0301#1misfire is reason for tuneup,still getting the code,.after tuneup.Yes it was missing before tuneup,also had obc reset after tuneup,and the code came up again.

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Popular Answer

What are the best Chevrolet repair shops?

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

2006 Chevrolet Uplander auto repair 2006 Chevrolet Uplander estimates 2006 Chevrolet Uplander questions 2006 Chevrolet Uplander problems 2006 Chevrolet Uplander recalls

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danddon Feb 1, 2011

chevrolet uplanderon Feb 1, 2011

code P0301#1misfire is reason for tuneup,still getting the code,.after tuneup.Yes it was missing before tuneup,also had obc reset after tuneup,and the code came up again.

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