p0300 misfire code help

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07-21-2005, 08:13 AM

#21

gillbot

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swap the front and rear o2's and see if that helps.

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07-24-2005, 11:16 PM

#22

Figz Z28

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I had the same problem this week, plugs and wires looked fine turned out to be two bad wires 3,7.

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07-25-2005, 01:02 AM

#23

Eiyse98ls1

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ill have to changed wires next. i changed plugs and front o2's today and still gave a p0300 code.

if wires dont help it out whats the next thing i should change or check.

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07-25-2005, 10:49 PM

#24

Figz Z28

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Try checking the vacum lines that run on the sides of the intake and into the valve covers, they also run behind the intake, might be broken.

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