97 blazer po 300 and more

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03-11-2011, 07:40 PM

sorsha93

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Join Date: Mar 2011

Posts: 2

97 blazer po 300 and more

hello i have a 97 blazer 2wd gets code po 300 flashing cel also no spark on #1&#2 plus foul odor like clogged cat new plugs and wires also replaced cat 4 to 6 weeks ago thanks for any help

03-12-2011, 12:38 PM

rriddle3

BF Guru

Join Date: Dec 2006

Location: Fort Worth,Texas

Posts: 6,594

Have you read through:
P030x Explained (x=0,1,2,3,4,5,6)
and
The dreaded P0300 CAUTION LONG POST

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