P0300 DTC Help!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-19-2009, 10:51 AM   #1
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Default P0300 DTC Help!!!

digging into my hesitation problem I am getting a P0300 "random misfire" code I have changed the plugs and today will be changing the wires but I have gotten so many mixed ideas as to what sets this code I am info overloaded like the people in those Bing comercials anybody had experience with this
98 SSEi
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Old 08-19-2009, 11:54 AM   #2
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P0300 is the Random Multiple Misfire code.

Typically caused by ignition related items. Meaning plugs or wires.
Coils won't be random, but are worth taking a look at to ensure they aren't arching.
ICM shouldn't do it either.

Whenever I see it..I check wires, coils and plugs.
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Old 08-19-2009, 12:35 PM   #3
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Wires took care of it thanks for the help!!!
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