GMC Safari P Codes (Powertrain) P0300 - P0399 P0300

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1996 GMC Safari Code P0300

1996 GMC SAFARI
Just Replaced Head And Did Complete Tune Up And Don"t Know Where To Go Next? Car Has Random Misfires On Idle Updated 2-5-09 Already Did...
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Asked by jdnorthrup

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P0300

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